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Armengol VD, Darras BT, Abulaban AA, Alshehri A, Barisic N, Ben-Omran T, Bernert G, Castiglioni C, Chien YH, Farrar MA, Kandawasvika G, Khadilkar S, Mah J, Marini-Bettolo C, Osredkar D, Pfeffer G, Piazzon FB, Pitarch Castellano I, Quijano-Roy S, Saito K, Shin JH, Vázquez-Costa JF, Walter MC, Wanigasinghe J, Xiong H, Griggs RC, Roy B. Life-Saving Treatments for Spinal Muscular Atrophy: Global Access and Availability. Neurol Clin Pract 2024; 14:e200224. [PMID: 38107546 PMCID: PMC10723640 DOI: 10.1212/cpj.0000000000200224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 11/04/2023] [Indexed: 12/19/2023]
Abstract
Background and Objectives Spinal muscular atrophy (SMA) is a neurodegenerative disorder manifesting with progressive muscle weakness and atrophy. SMA type 1 used to be fatal within the first 2 years of life, but is now treatable with therapies targeting splicing modification and gene replacement. Nusinersen, risdiplam, and onasemnogene abeparvovec-xioi improve survival, motor strength, endurance, and ability to thrive, allowing many patients to potentially attain a normal life; all have been recently approved by major regulatory agencies. Although these therapies have revolutionized the world of SMA, they are associated with a high economic burden, and access to these therapies is limited in some countries. The primary objective of this study was to compare the availability and implementation of treatment of SMA from different regions of the world. Methods In this qualitative study, we surveyed health care providers from 21 countries regarding their experiences caring for patients with SMA. The main outcome measures were provider survey responses on newborn screening, drug availability/access, barriers to treatment, and related questions. Results Twenty-four providers from 21 countries with decades of experience (mean 26 years) in treating patients with SMA responded to the survey. Nusinersen was the most available therapy for SMA. Our survey showed that while genetic testing is usually available, newborn screening is still unavailable in many countries. The provider-reported treatment cost also varied between countries, and economic burden was a major barrier in treating patients with SMA. Discussion Overall, this survey highlights the global inequality in managing patients with SMA. The spread of newborn screening is essential in ensuring improved access to care for patients with SMA. With the advancement of neurotherapeutics, more genetic diseases will soon be treatable, and addressing the global inequality in clinical care will require novel approaches to mitigate such inequality in the future.
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Affiliation(s)
- Victor D Armengol
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Basil T Darras
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Ahmad A Abulaban
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Ali Alshehri
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Nina Barisic
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Tawfeg Ben-Omran
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Guenther Bernert
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Claudia Castiglioni
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Yin-Hsiu Chien
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Michelle A Farrar
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Gwendoline Kandawasvika
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Satish Khadilkar
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Jean Mah
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Chiara Marini-Bettolo
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Damjan Osredkar
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Gerald Pfeffer
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Flavia B Piazzon
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Inmaculada Pitarch Castellano
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Susana Quijano-Roy
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Kayoko Saito
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Jin-Hong Shin
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Juan F Vázquez-Costa
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Maggie C Walter
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Jithangi Wanigasinghe
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Hui Xiong
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Robert C Griggs
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
| | - Bhaskar Roy
- Department of Neurology (VDA, BR), Yale University School of Medicine, New Haven, CT; Department of Neurology (BTD), Boston Children's Hospital, MA; Department of Medicine (AAA), King Saud Bin Abdulaziz University for Health Sciences; Neuromuscular Integrated Practice Unit (AA), Neuroscience Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Pediatrics (NB), University of Zagreb Medical School, Croatia; Genetics and Genomic Medicine Division (TB-O), Sidra Medicine and Hamad Medical Corporation, Doha, Qatar; Department of Pediatrics (GB), Klinik Favoriten, Vienna, Austria; Department of Pediatrics (CC), Clínica Meds, Santiago, Chile; Department of Medical Genetics and Pediatrics (Y-HC), National Taiwan University Hospital, Taipei; Department of Neurology (MAF), Sydney Children's Hospital Network, New South Wales, Australia; Department of Paediatrics and Child Health (GK), College of Health Sciences, University of Zimbabwe, Harare; Department of Neurology (SK), Bombay Hospital, India; Department of Pediatrics (JM), University of Calgary Cumming School of Medicine, Alberta, Canada; John Walton Muscular Dystrophy Research Centre (CM-B), Newcastle University, Newcastle Upon Tyne, United Kingdom; Department of Child (DO), Adolescent, and Developmental Neurology, Children's Hospital, University Medical Centre Ljubljana, Slovenia; Department of Medical Genetics (GP), University of Calgary Cumming School of Medicine, Alberta, Canada; Neurometabolic Unit (FBP), University of Sao Paulo, Brazil; Department of Pediatrics (IPC), Hospital Universitari i Politècnic La Fe, Valencia, Spain; Child Neurology and ICU Department (SQ-R), Raymond Poincaré University Hospital (UVSQ), Garche, France; Institute of Medical Genetics (KS), Tokyo Women's Medical University, Japan; Department of Neurology (J-HS), Pusan National University Yangsan Hospital, South Korea; Neuromuscular Unit (JFV-C), Hospital Universitario y Politécnico la Fe, Valencia, Spain; Friedrich-Baur-Institute (MCW), Department of Neurology, Ludwig-Maximilians-University of Munich, Germany; Department of Paediatrics (JW), University of Colombo, Sri Lanka; Department of Pediatrics (HX), Peking University First Hospital, China; and Department of Neurology (RCG), University of Rochester Medical Center, NY
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