[1] Univ Galway, Dept Paediat, Galway, Ireland
[2] Ctr Reference Malad Neuromusculaires Nord Est Ile, Paris, France
[3] Ctr Hosp Univ Dijon, Dept Paediat, Dijon, France
[4] Dept Child Neurol, Giessen, Germany
[5] St James Hosp, Dept Maxillofacial Surg, Dublin, Ireland
[6] Pusan Natl Univ, Sch Med, Dept Neurol, Pusan, South Korea
[7] Pusan Natl Univ, Sch Med, Dept Pediat, Pusan, South Korea
[8] CHU St Justine Montreal, Quebec City, PQ, Canada
[9] Univ Duisburg Essen, Dept Pediat Neurol, Ctr Translat Neuro & Behav Sci, Essen, Germany
[10] Ruhr Univ Bochum, St Josef Hosp, Dept Neurol, Bochum, Germany
[11] Klin Kinder & Jugendmed, Erfurt, Germany
[12] St Georg Klinikum, Oberarztin Neurophysiol, Neurol Klin, Klin Neurophysiol & Neurorehabil, Eisenach, Germany
[13] Univ Hosp St Luc, Neuromuscular Reference Ctr UCL St Luc, Brussels, Belgium
[14] Univ Galway, Dept Paediat, Galway, Ireland
[15] Galway Univ Hosp, Galway, Ireland
[16] Hosp Santa Creu & Sant Pau, Unitat Patol Neuromuscular, Serv Neurol, Barcelona, Spain
[17] Hosp St Joan de Deu, Neuromuscular Unit, Barcelona, Spain
[18] Princess Margaret Hosp, Dept Paediat & Adolescent Med, Hong Kong, Peoples R China
[19] Univ Calgary, Cumming Sch Med, Alberta Childrens Hosp, Dept Med Genet & Pediat, Calgary, AB, Canada
[20] Univ Hosp Bonn, Dept Neurol, Bonn, Germany
[21] Ctr Rare Dieases, Bonn, Germany
[22] Univ Hosp, Dept Neurol, Bonn, Germany
[23] Univ Hosp, Dept Neonatol & Pediat Intens Care, Bonn, Germany
[24] Dept Clin Neurosci, Nerve Muscle Unit, Lausanne, Switzerland
[25] Kings Coll Hosp London, Dept Neurol, London, England
[26] Univ Oxford, Dept Paediat, MDUK Neuromuscular Ctr, Oxford, England
[27] Nuffield Dept Clin Neurosci, Oxford, England
[28] Univ Oxford, Nuffield Dept Clin Neurosci, Oxford, England
[29] Guys & St Thomas Hosp NHS Fdn Trust, Evelinas Children Hosp, Neuromuscular Serv, Dept Pediat Neurol, London, England
[30] Guys & St Thomas Hosp NHS Fdn Trust, Evelinas Children Hosp, Dept Pediat Neurol, London, England
[31] UZ Leuven, Dept Neurol, Leuven, Belgium
[32] Katholieke Univ Leuven, Lab Muscle Dis & Neuropathies, Leuven, Belgium
[33] Acibadem Univ, Div Neonatol, Dept Pediat, Fac Med, Istanbul, Turkiye
[34] Columbia Univ, Pediat Neuromuscular Ctr, New York, NY USA
[35] McGill Univ, Div Neurol Neurosurg, Montreal, PQ, Canada
[36] UCL, Great Ormond St Hosp, Dept Neurol, London, England
[37] Evelina Childrens Hosp, Dept Pediat Neurol, London, England
[38] Kings Coll London, Fac Life Sci & Med FoLSM, Muscle Signaling Sect, Randall Ctr Cell & Mol Biophys, London, England