[1] Great Ormond St Hosp Sick Children, UCL Inst Child Hlth, Dubowitz Neuromuscular Ctr, London, England
[2] UCL, MRC Ctr Neuromuscular Dis, Queen Sq, London, England
[3] Natl Hosp Neurol & Neurosurg, Div Neuropathol, Queen Sq, London, England
[4] Univ Gothenburg, Inst Biomed, Dept Pathol & Genet, Gothenburg, Sweden
[5] Minist Educ Brazil, CAPES Fdn, Brasilia, DF, Brazil
[6] Royal Free Hosp, Dept Immunol, London, England
[7] UCL, Inst Immun & Transplantat, Royal Free Campus, London, England
[8] Great Ormond St Hosp Sick Children, Dept Histopathol, London, England
[9] Univ Coll London NHS Fdn Trust, Dept Histopathol, London, England
[10] Evelina London Childrens Hosp, Dept Paediat Inherited Metab Dis, London, England
[11] Beaumont Hosp, Dept Neurol, Dublin, Ireland
[12] Univ Coll London NHS Fdn Trust, Dept Clin Pharmacol, London, England
[13] Salford Royal NHS Fdn Trust, Mark Holland Metab Unit, Salford, Lancs, England
[14] Salford Royal NHS Fdn Trust, Great Manchester Neurosci Unit, Salford, Lancs, England
[15] Guys & St Thomas Hosp NHS Fdn Trust, Evelina London Childrens Hosp, Neuromuscular Serv, Dept Paediat Neurol, London, England
[16] Kings Coll Hosp London, Dept Clin Neuropathol, London, England
[17] Kings Coll London, Randall Div Cell & Mol Biophys, Muscle Signaling Sect, London, England
[18] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Basic & Clin Neurosci, London, England
[19] Natl Hosp Neurol & Neurosurg, Charles Dent Metab Unit, Queen Sq, London, England