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Donlevy GA, Garnett SP, Cornett KMD, McKay MJ, Baldwin JN, Shy RR, Yum SW, Estilow T, Moroni I, Foscan M, Pagliano E, Pareyson D, Laura M, Bhandari T, Muntoni F, Reilly MM, Finkel RS, Sowden JE, Eichinger KJ, Herrmann DN, Shy ME, Burns J, Menezes MP. Association Between Body Mass Index and Disability in Children With Charcot-Marie-Tooth Disease. Neurology 2021; 97:e1727-e1736. [PMID: 34493614 PMCID: PMC8605613 DOI: 10.1212/wnl.0000000000012725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 08/16/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND AND OBJECTIVES This study examined the association between body mass index (BMI) and disability in children with Charcot-Marie-Tooth disease (CMT). METHODS We conducted a cross-sectional analysis of 477 patients with CMT who were 3 to 20 years of age from the Inherited Neuropathy Consortium and 316 age- and sex-matched healthy children from the 1,000 Norms Project. BMI was categorized according to the International Obesity Task Force (IOTF) criteria, and BMI categorization was compared with healthy children. IOTF categories (adult equivalent BMI cut points) were severely underweight (BMI <17 kg/m2), underweight (BMI ≥17-<18.5 kg/m2), healthy weight (BMI ≥18.5-<25 kg/m2), overweight (BMI ≥25-<30 kg/m2), and obese (BMI ≥30 kg/m2). Scores on the 0 to 44-point CMT Pediatric Scale (CMTPedS), a well-validated measure of disability, were examined in relation to BMI. RESULTS There was a higher proportion of children with CMT categorized as severely underweight (5.7% vs 0.3%), underweight (10.3% vs 5.1%), and obese (7.3% vs 3.8%) (p < 0.05). Fewer children with CMT were categorized as healthy weight (61.8% vs 74.4%) (p < 0.05), and the proportion of overweight (14.9% vs 16.5%) between groups was similar. CMTPedS scores (mean ± SD) for weight categories were as follows: severely underweight 27 ± 9, underweight 20 ± 8, healthy weight 17 ± 9, overweight 17 ± 9, and obese 22 ± 10. Compared to children with a healthy weight with CMT, being severely underweight was associated with being more disabled (p < 0.001), as was being obese (p = 0.015). DISCUSSION The proportion of children with CMT who are underweight or obese is higher compared to age- and sex-matched healthy children. In children with CMT, being underweight or obese is associated with greater disability, when compared to children with CMT of healthy weight.
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Affiliation(s)
- Gabrielle A Donlevy
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY.
| | - Sarah P Garnett
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Kayla M D Cornett
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Marnee J McKay
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Jennifer N Baldwin
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Rosemary R Shy
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Sabrina W Yum
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Timothy Estilow
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Isabella Moroni
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Maria Foscan
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Emanuela Pagliano
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Davide Pareyson
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Matilde Laura
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Trupti Bhandari
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Francesco Muntoni
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Mary M Reilly
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Richard S Finkel
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Janet E Sowden
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Katy J Eichinger
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - David N Herrmann
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Michael E Shy
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Joshua Burns
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
| | - Manoj P Menezes
- From the University of Sydney (G.A.D., S.P.G., M.P.M.), Faculty of Medicine and Health; Children's Hospital at Westmead (G.A.D., S.P.G., K.M.D.C., J.B., M.P.M.); University of Sydney (K.M.D.C., M.J.M., J.B.), School of Health Sciences; Faculty of Health and Medicine (J.N.B.), University of Newcastle, Australia; Departments of Pediatrics (R.R.S.) and Neurology (M.E.S.), Carver College of Medicine, University of Iowa, Iowa City; Division of Neurology (S.W.Y.) and Department of Occupational Therapy (T.E.), Children's Hospital of Philadelphia; Department of Neurology (S.W.Y., T.E.), Perelman School of Medicine, University of Pennsylvania, Philadelphia; Fondazione IRCCS Istituto Neurologico Carlo Besta (I.M., M.F., E.P., D.P.), Milan, Italy; Centre for Neuromuscular Diseases (M.L., M.M.R.), University College London, Queen Square; University College London Institute of Child Health & Great Ormond Street Hospital (T.B., F.M.), London, England; Translational Neurosciences (Pediatrics) (R.S.F.), St. Jude Children's Research Hospital, Memphis, TN; and Department of Neurology (J.E.S., K.J.E., D.N.H.), University of Rochester, NY
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