1. Department of Clinical Neurosciences School of Clinical Medicine University of Cambridge Cambridge UK
2. Wellcome Centre for Mitochondrial Research Translational and Clinical Research Institute Newcastle University Newcastle upon Tyne UK
3. MRC Mitochondrial Biology Unit Cambridge UK
4. Karolinska Institute University of Stockholm Stockholm Sweden
5. Nuffield Department of Obstetrics & Gynaecology University of Oxford Oxford UK
6. Pediatric Neurology University of Essen Essen Germany
7. Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery London UK
8. Centre of Allergology and Immunology East‐Tallinn Central Hospital Tallinn Estonia
9. Department of Pathology Neuromuscular Unit SARAH Network of Rehabilitation Hospitals Belo Horizonte Brazil
10. Department of Pediatrics Neuromuscular Unit SARAH Network of Rehabilitation Hospitals Belo Horizonte Brazil
11. Department of Pathology and Laboratory Medicine SPH St. Paul's Hospital Vancouver BC Canada
12. Department of Neurology Università Cattolica del Sacro Cuore Roma Italy
13. PEDEGO Research Unit/Pediatric Neurology Medical Research Center Oulu Oulu University Hospital and University of Oulu Oulu Finland
14. Leibniz Institute for Analytical Sciences (ISAS) Dortmund Germany
15. Howard Hughes Medical Institute Harvard Medical School Boston MA USA
16. Department of Neurology Columbia University Medical Center New York NY USA
17. Department of Pediatrics The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
18. School of Pharmacy and Pharmaceutical Sciences Binghampton University New York NY USA
19. Department of Neuropediatrics and Muscle Disorders Medical Center Faculty of Medicine University of Freiburg Freiburg Germany
20. Centro Nacional de Análisis Genómico (CNAG‐CRG) Center for Genomic Regulation Barcelona Institute of Science and Technology (BIST) Barcelona Spain
21. Children's Hospital of Eastern Ontario Research Institute University of Ottawa Ottawa ON Canada
22. Division of Neurology Department of Medicine The Ottawa Hospital Ottawa ON Canada