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Bali I, Al Khalifah R. Recombinant PTH Infusion in a Child With Sanjad-Sakati Syndrome Refractory to Conventional Therapy. JCEM CASE REPORTS 2024; 2:luae059. [PMID: 38655381 PMCID: PMC11035914 DOI: 10.1210/jcemcr/luae059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Indexed: 04/26/2024]
Abstract
Hypoparathyroidism is the most common endocrinological feature in children with Sanjad-Sakati syndrome. Treatment includes active vitamin D and calcium supplementation. Here, we report a case of a newborn with Sanjad-Sakati syndrome who had severe hypocalcemia since birth who responded to PTH subcutaneous pump infusion. The child was born at 35 weeks with hypocalcemia since the first day of life. The standard medical treatment proved ineffective for the newborn, necessitating the administration of unusually high doses of oral and IV calcium and vitamin D analogue for a 2 months. As a result, intermittent subcutaneous injections of PTH were commenced, resulting in an initial improvement in calcium levels, although this proved to be short-lived. Subsequently, a switch to continuous infusion via a Medtronic Vio pump was made, which unfortunately resulted in iatrogenic hypercalcemia, requiring management of hypercalcemia. Later, calcium carbonate and alfacalcidol were resumed at a lower dosage and continued to have average requirements for patients with hypoparathyroidism. PTH subcutaneous infusion can be highly effective in refractory hypocalcemia cases and can significantly impact the treatment course and facilitate hospital discharge as seen in our case. Careful dosage and monitoring are required to avoid iatrogenic hypercalcemia.
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Affiliation(s)
- Ibrahim Bali
- Division of Pediatric Endocrinology, Department of Pediatrics, College of Medicine, King Saud University, Riyadh, Saudi Arabia, 11421- P. O. Box 800
- Pediatric Endocrinology Unit, Department of Pediatrics, King Salman Bin Abdulaziz Medical City, Madina 42319, Saudi Arabia
| | - Reem Al Khalifah
- Division of Pediatric Endocrinology, Department of Pediatrics, College of Medicine, King Saud University, Riyadh, Saudi Arabia, 11421- P. O. Box 800
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Khan AA, Guyatt G, Ali DS, Bilezikian JP, Collins MT, Dandurand K, Mannstadt M, Murphy D, M'Hiri I, Rubin MR, Sanders R, Shrayyef M, Siggelkow H, Tabacco G, Tay YKD, Van Uum S, Vokes T, Winer KK, Yao L, Rejnmark L. Management of Hypoparathyroidism. J Bone Miner Res 2022; 37:2663-2677. [PMID: 36161671 DOI: 10.1002/jbmr.4716] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 09/19/2022] [Accepted: 09/22/2022] [Indexed: 12/24/2022]
Abstract
Hypoparathyroidism (HypoPT) is a rare disorder characterized by hypocalcemia in the presence of a low or inappropriately normal parathyroid hormone level. HypoPT is most commonly seen after neck surgery, which accounts for approximately 75% of cases, whereas approximately 25% have HypoPT due to nonsurgical causes. In both groups of patients, conventional therapy includes calcium and active vitamin D analogue therapy aiming to maintain serum calcium concentration in the low normal or just below the normal reference range and normalize serum phosphorus, magnesium concentrations, and urine calcium levels. The limitations of conventional therapy include wide fluctuations in serum calcium, high pill burden, poor quality of life, and renal complications. Parathyroid hormone (PTH) replacement therapy may improve the biochemical profile in those in whom conventional therapy proves unsatisfactory. Based on a systematic review and meta-analysis of the literature, the panel made a graded recommendation suggesting conventional therapy as first line therapy rather than administration of PTH (weak recommendation, low quality evidence). When conventional therapy is deemed unsatisfactory, the panel considers use of PTH. Because pregnancy and lactation are associated with changes in calcium homeostasis, close monitoring is required during these periods with appropriate adjustment of calcium and active vitamin D analogue therapy to ensure that serum calcium remains in the mid to low normal reference range in order to avoid maternal and fetal complications. Emerging therapies include molecules with prolonged PTH action as well as different mechanisms of action that may significantly enhance drug efficacy and safety. © 2022 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Aliya A Khan
- Division of Endocrinology and Metabolism, McMaster University, Hamilton, Canada
| | - Gordon Guyatt
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
| | - Dalal S Ali
- Division of Endocrinology and Metabolism, McMaster University, Hamilton, Canada
| | - John P Bilezikian
- Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Michael T Collins
- National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Karel Dandurand
- Division of Endocrinology and Metabolism, McMaster University, Hamilton, Canada
| | - Michael Mannstadt
- Endocrine Unit, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | | | - Iman M'Hiri
- Bone Research and Education Centre, Oakville, Canada
| | - Mishaela R Rubin
- Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | | | | | - Heide Siggelkow
- Clinic of Gastroenterology, Gastrointestinal Oncology and Endocrinology, University Medical Center Goettingen, Goettingen, Germany.,MVZ Endokrinologikum Goettingen, Goettingen, Germany
| | - Gaia Tabacco
- Unit of Metabolic Bone and Thyroid Diseases, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy.,Unit of Endocrinology and Diabetes, Campus Bio-Medico University of Rome, Rome, Italy
| | - Yu-Kwang Donovan Tay
- Department of Medicine, Sengkang General Hospital, Singhealth and Duke-NUS Medical School, Singapore, Singapore
| | - Stan Van Uum
- Department of Medicine, Western University, London, Canada
| | - Tamara Vokes
- Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Karen K Winer
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Liang Yao
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
| | - Lars Rejnmark
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
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Bhatt ND, Heh JL, Hudspeth MP, Williams KW, Twombley KE. Teriparatide Therapy in a 4-Month-Old With Severe Hypoparathyroidism. J Pediatr Pharmacol Ther 2022; 27:80-84. [PMID: 35002563 DOI: 10.5863/1551-6776-27.1.80] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 05/24/2021] [Indexed: 11/11/2022]
Abstract
Teriparatide is a human parathyroid hormone analog approved for the treatment of osteoporosis in adult patients. Its use for hypocalcemia and hypoparathyroidism in the pediatric population is described through case reports and small case series; however, larger studies that demonstrate long-term efficacy and safety are limited. At our institution, a 4-month-old premature (gestational age: 32 weeks) infant with multiple congenital anomalies, functional athymia, and severe hypoparathyroidism and receiving calcitriol, vitamin D, and calcium carbonate supplementation was initiated on subcutaneous injection of teriparatide. During the course of treatment, her calcium carbonate, vitamin D, and calcitriol supplementation requirements substantially decreased. Teriparatide effectively increased serum ionized calcium concentrations and decreased serum phosphorus concentrations in the present case-study over a 6-month period. Teriparatide was well tolerated, and no evidence of hypercalcemia was observed throughout treatment.
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Affiliation(s)
- Neelam D Bhatt
- Department of Pharmacy Services (NDB, JLH), Shawn Jenkins Children's Hospital, Charleston, SC
| | - Julie L Heh
- Department of Pharmacy Services (NDB, JLH), Shawn Jenkins Children's Hospital, Charleston, SC
| | - Michelle P Hudspeth
- Division of Pediatric Hematology/Oncology (MPH), Shawn Jenkins Children's Hospital, Charleston, SC
| | - Kelli W Williams
- Division of Pediatric Pulmonology, Allergy & Immunology (KWW), Shawn Jenkins Children's Hospital, Charleston, SC
| | - Katherine E Twombley
- Division of Pediatric Nephrology (KET), Shawn Jenkins Children's Hospital, Charleston, SC
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Tuli G, Buganza R, Tessaris D, Einaudi S, Matarazzo P, de Sanctis L. Teriparatide (rhPTH 1-34) treatment in the pediatric age: long-term efficacy and safety data in a cohort with genetic hypoparathyroidism. Endocrine 2020; 67:457-465. [PMID: 31705387 DOI: 10.1007/s12020-019-02128-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/30/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Hypoparathyroidism is characterized by the absence or inadequately low circulating concentrations of the parathyroid hormone, resulting in hypocalcemia, hyperphosphatemia, and elevated fractional excretion of calcium in the urine. The use of activated vitamin D analogs and calcium supplements represent conventional therapy. Subcutaneous recombinant human parathormone [rhPTH(1-34)] has been proposed as a substitutive treatment, even to avoid side effects of vitamin D and calcium. OBJECTIVE To assess the long-term safety and efficacy of rhPTH(1-34) in a pediatric cohort of patients with genetic hypoparathyroidism. METHODS The study is a 9.2-year self-controlled study of six pediatric patients (four males and two females, aged 9.4 ± 5.2) with DiGeorge, hypoparathyroidism-deafness-renal dysplasia (HDR) or autoimmune-candidiasis-polyendocrinopathy-ectodermal-dysplasia (APECED) syndrome, associated with autoimmune intestinal malabsorption in a patient. The presence of clinical signs of hypocalcemia and biochemical parameters, such as calcium, phosphate, alkaline phosphatase in the blood and calcium-creatinine ratio in urine, were compared during conventional treatment and rhPTH(1-34) (teriparatide, 12.5 μg twice daily). RESULTS The rhPTH(1-34) treatment allowed a reduction, although not always a complete suspension, of calcium supplementation and a slight reduction of calcitriol therapy. The number of tetanic episodes was reduced in four patients during the rhPTH(1-34) treatment. Mean blood calcium, alkaline phosphatase, and phosphate did not significantly change, while a significant reduction of the urinary calcium-to-creatinine ratio (0.55 ± 0.32 vs 0.16 ± 0.09, p = 0.03) was obtained. Renal ultrasound examination showed a worsening in three patients, while it did not change in the remaining three subjects during the follow-up. CONCLUSIONS In children with syndromic hypoparathyroidism presented here, replacement therapy with rhPTH(1-34) allowed to maintain adequate levels of the calcium and phosphate in the blood, normalize urinary calcium excretion, and reduce tetanic episodes. In patients with low compliance to conventional therapy or intestinal malabsorption, the use of rhPTH(1-34) could be considered, also to reduce the side effects of treatment with vitamin D and calcium.
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Affiliation(s)
- Gerdi Tuli
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, City of Health and Science University Hospital of Turin, Turin, Italy.
- Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy.
| | - Raffaele Buganza
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, City of Health and Science University Hospital of Turin, Turin, Italy
- Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy
| | - Daniele Tessaris
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, City of Health and Science University Hospital of Turin, Turin, Italy
- Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy
| | - Silvia Einaudi
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, City of Health and Science University Hospital of Turin, Turin, Italy
- Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy
| | - Patrizia Matarazzo
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, City of Health and Science University Hospital of Turin, Turin, Italy
- Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy
| | - Luisa de Sanctis
- Department of Pediatric Endocrinology, Regina Margherita Children's Hospital, City of Health and Science University Hospital of Turin, Turin, Italy
- Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy
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Current status in therapeutic interventions of neonatal bone mineral metabolic disorders. Semin Fetal Neonatal Med 2020; 25:101075. [PMID: 31879202 DOI: 10.1016/j.siny.2019.101075] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Neonatal care has significantly improved in the past decade with improved survival of preterm and sick neonates. Similarly, the field of bone and mineral disorders is continuing to accelerate with better understanding of pathophysiology and genetic basis of diseases, as well as availability of newer diagnostic and therapeutic modalities. In this extensive and rapidly expanding field, metabolic bone disease specialists are frequently called upon to translate progress into better care for neonates with bone and mineral disorders. Accordingly, this chapter provides a review of clinical manifestations and evidence-based investigation and management (where available) of common, rare and ultra-rare disorders of bone and mineral metabolism manifesting in the neonatal period. Besides medical treatment we emphasise the crucial role of the multidisciplinary team, which include physical therapists, occupational therapists and dieticians, in the care of neonates with bone disorders such as osteogenesis imperfecta and achondroplasia.
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Khan AA, Koch CA, Van Uum S, Baillargeon JP, Bollerslev J, Brandi ML, Marcocci C, Rejnmark L, Rizzoli R, Shrayyef MZ, Thakker R, Yildiz BO, Clarke B. Standards of care for hypoparathyroidism in adults: a Canadian and International Consensus. Eur J Endocrinol 2019; 180:P1-P22. [PMID: 30540559 PMCID: PMC6365672 DOI: 10.1530/eje-18-0609] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 12/10/2018] [Indexed: 01/09/2023]
Abstract
PURPOSE To provide practice recommendations for the diagnosis and management of hypoparathyroidism in adults. METHODS Key questions pertaining to the diagnosis and management of hypoparathyroidism were addressed following a literature review. We searched PubMed, MEDLINE, EMBASE and Cochrane databases from January 2000 to March 2018 using keywords 'hypoparathyroidism, diagnosis, treatment, calcium, PTH, calcidiol, calcitriol, hydrochlorothiazide and pregnancy'. Only English language papers involving humans were included. We excluded letters, reviews and editorials. The quality of evidence was evaluated based on the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. These standards of care for hypoparathyroidism have been endorsed by the Canadian Society of Endocrinology and Metabolism. RESULTS Hypoparathyroidism is a rare disease characterized by hypocalcemia, hyperphosphatemia and a low or inappropriately normal serum parathyroid hormone level (PTH). The majority of cases are post-surgical (75%) with nonsurgical causes accounting for the remaining 25% of cases. A careful review is required to determine the etiology of the hypoparathyroidism in individuals with nonsurgical disease. Hypoparathyroidism is associated with significant morbidity and poor quality of life. Treatment requires close monitoring as well as patient education. Conventional therapy with calcium supplements and active vitamin D analogs is effective in improving serum calcium as well as in controlling the symptoms of hypocalcemia. PTH replacement is of value in lowering the doses of calcium and active vitamin D analogs required and may be of value in lowering long-term complications of hypoparathyroidism. This manuscript addresses acute and chronic management of hypoparathyroidism in adults. MAIN CONCLUSIONS Hypoparathyroidism requires careful evaluation and pharmacologic intervention in order to improve serum calcium and control the symptoms of hypocalcemia. Frequent laboratory monitoring of the biochemical profile and patient education is essential to achieving optimal control of serum calcium.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Rene Rizzoli
- University Hospital of Geneva, Geneva, Switzerland
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Chinoy A, Skae M, Babiker A, Kendall D, Mughal MZ, Padidela R. Impact of intercurrent illness on calcium homeostasis in children with hypoparathyroidism: a case series. Endocr Connect 2017; 6:589-594. [PMID: 28993435 PMCID: PMC5633055 DOI: 10.1530/ec-17-0234] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 09/06/2017] [Indexed: 01/19/2023]
Abstract
BACKGROUND Hypoparathyroidism is characterised by hypocalcaemia, and standard management is with an active vitamin D analogue and adequate oral calcium intake (dietary and/or supplements). Little is described in the literature about the impact of intercurrent illnesses on calcium homeostasis in children with hypoparathyroidism. METHODS We describe three children with hypoparathyroidism in whom intercurrent illnesses led to hypocalcaemia and escalation of treatment with alfacalcidol (1-hydroxycholecalciferol) and calcium supplements. RESULTS Three infants managed with standard treatment for hypoparathyroidism (two with homozygous mutations in GCMB2 gene and one with Sanjad-Sakati syndrome) developed symptomatic hypocalcaemia (two infants developed seizures) following respiratory or gastrointestinal illnesses. Substantial increases in alfacalcidol doses (up to three times their pre-illness doses) and calcium supplementation were required to achieve acceptable serum calcium concentrations. However, following resolution of illness, these children developed an increase in serum calcium and hypercalciuria, necessitating rapid reduction to pre-illness dosages of alfacalcidol and oral calcium supplementation. CONCLUSION Intercurrent illness may precipitate symptomatic hypocalcaemia in children with hypoparathyroidism, necessitating increase in dosages of alfacalcidol and calcium supplements. Close monitoring is required on resolution of the intercurrent illness, with timely reduction of dosages of active analogues of vitamin D and calcium supplements to prevent hypercalcaemia, hypercalciuria and nephrocalcinosis.
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Affiliation(s)
- A Chinoy
- Royal Manchester Children's HospitalManchester, UK
| | - M Skae
- Royal Manchester Children's HospitalManchester, UK
| | - A Babiker
- King Abdullah Specialized Children's HospitalRiyadh, Saudi Arabia
| | | | - M Z Mughal
- Royal Manchester Children's HospitalManchester, UK
| | - R Padidela
- Royal Manchester Children's HospitalManchester, UK
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8
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Bilezikian JP, Brandi ML, Cusano NE, Mannstadt M, Rejnmark L, Rizzoli R, Rubin MR, Winer KK, Liberman UA, Potts JT. Management of Hypoparathyroidism: Present and Future. J Clin Endocrinol Metab 2016; 101:2313-24. [PMID: 26938200 PMCID: PMC5393596 DOI: 10.1210/jc.2015-3910] [Citation(s) in RCA: 109] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
CONTEXT Conventional management of hypoparathyroidism has focused upon maintaining the serum calcium with oral calcium and active vitamin D, often requiring high doses and giving rise to concerns about long-term consequences including renal and brain calcifications. Replacement therapy with PTH has recently become available. This paper summarizes the results of the findings and recommendations of the Working Group on Management of Hypoparathyroidism. EVIDENCE ACQUISITION Contributing authors reviewed the literature regarding physiology, pathophysiology, and nutritional aspects of hypoparathyroidism, management of acute hypocalcemia, clinical aspects of chronic management, and replacement therapy of hypoparathyroidism with PTH peptides. PubMed and other literature search engines were utilized. EVIDENCE SYNTHESIS Under normal circumstances, interactions between PTH and active vitamin D along with the dynamics of calcium and phosphorus absorption, renal tubular handing of those ions, and skeletal responsiveness help to maintain calcium homeostasis and skeletal health. In the absence of PTH, the gastrointestinal tract, kidneys, and skeleton are all affected, leading to hypocalcemia, hyperphosphatemia, reduced bone remodeling, and an inability to conserve filtered calcium. Acute hypocalcemia can be a medical emergency presenting with neuromuscular irritability. The recent availability of recombinant human PTH (1-84) has given hope that management of hypoparathyroidism with the missing hormone in this disorder will provide better control and reduced needs for calcium and vitamin D. CONCLUSIONS Hypoparathyroidism is associated with abnormal calcium and skeletal homeostasis. Control with calcium and active vitamin D can be a challenge. The availability of PTH (1-84) replacement therapy may usher new opportunities for better control with reduced supplementation requirements.
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Affiliation(s)
- John P Bilezikian
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - Maria Luisa Brandi
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - Natalie E Cusano
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - Michael Mannstadt
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - Lars Rejnmark
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - René Rizzoli
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - Mishaela R Rubin
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - Karen K Winer
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - Uri A Liberman
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
| | - John T Potts
- Columbia University College of Physicians & Surgeons (J.P.B., N.E.C., M.R.R.), New York, New York 10032; Department of Surgery and Translational Medicine (M.L.B.), University of Florence, 50121 Florence, Italy; Massachusetts General Hospital (M.M., J.T.P.), Boston, Massachusetts 02114; Aarhus University Hospital (L.R.), 8000 Aarhus, Denmark; Geneva University Hospitals and Faculty of Medicine (R.R.), 1205 Geneva, Switzerland; Eunice Kennedy Shriver National Institute of Child Health and Human Development (K.K.W.), National Institutes of Health, Bethesda, Maryland 20892; and Sackler School of Medicine (U.A.L.), Tel Aviv University, Tel Aviv 6997801, Israel
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