1. Department of Biomedicine, Basel University Hospital , Hebelstrasse 20, Basel 4031 , Switzerland
2. Department of Neurology, Basel University Hospital , Hebelstrasse 20, Basel 4031 , Switzerland
3. Department of Anesthesiology, Malignant Hyperthermia Investigation Unit, Canisius Wilhelmina Hospital , Nijmegen , The Netherlands
4. Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center , Nijmegen , The Netherlands
5. Department of Pediatric Neurology, Donders Institute for Brain, Cognition and Behaviour, Amalia Children’s Hospital, Radboud University Medical Center , Nijmegen , The Netherlands
6. Department of Clinical Genetics, Radboud Institute for Molecular Life Sciences, Radboud University, Nijmegen Medical Centre , Nijmegen , The Netherlands
7. Muskelhistologisches Labor, Neurologische Abteilung, Asklepios Klinik St. Georg , Lohmuehlenstraße 5, Hamburg 20099 , Germany
8. Dipartimento di Neuroscienze, Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II , Via Pansini 5, Napoli 80131 , Italy
9. Institute of Neurology, Schneider Children’s Medical Center of Israel , Petah Tiqva , Israel
10. Paediatric Neurology, Red Cross War Memorial Children’s Hospital, Neuroscience Institute, University of Cape Town , Cape Town , South Africa
11. Department of Neurology, section 8077, Rigshospitalet, University of Copenhagen , Blegdamsvej 9, Copenhagen DK-2100 , Denmark
12. GKT School of Medical Education, King’s College London , Hodgkin Building, Newcomen Street, London SE1 1UL , UK
13. Dubowitz Neuromuscular Centre and MRC Centre for Neuromuscular Diseases, UCL, Institute of Child Health , London , UK
14. NIHR Great Ormond Street Hospital Biomedical Research Centre , London , UK
15. Department of Paediatric Neurology, Neuromuscular Service, Evelina Children’s Hospital, St. Thomas’ Hospital , London , UK
16. Department of Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience (IoPPN), King’s College London , London , UK
17. Randall Center for Cell and Molecular Biophysics, Muscle Signalling Section, Faculty of Life Sciences and Medicine, King’s College , London , UK
18. Department of Life Science and Biotechnology, University of Ferrara , Via Borsari 46, Ferrara 44100 , Italy