1. Radboudumc Amalia Children's Hospital Radboud Center for Mitochondrial Medicine Nijmegen The Netherlands
2. Department of Human Nutrition, Foods, and Exercise and the Virginia Tech Center for Drug Discovery Virginia Tech Blacksburg Virginia
3. Department of Clinical Medicine University of Bergen Bergen Norway
4. Department of Neurology Haukeland University Hospital Bergen Norway
5. Wellcome Centre for Mitochondrial Research, Institute of Neuroscience Newcastle University Newcastle upon Tyne UK
6. The Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne UK
7. Genetics Unit, Massachusetts General Hospital Harvard Medical School Boston Massachusetts
8. Mitochondrial Research Group UCL Great Ormond Street Institute of Child Health London UK
9. Metabolic Unit Great Ormond Street Hospital NHS Foundation Trust London UK
10. Unit of Medical Genetics and Neurogenetics Fondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
11. Department of Neurology, Metabolic Unit Hospital Sant Joan de Déu Barcelona Spain
12. CIBERER Instituto de Salud Carlos III Barcelona Spain
13. Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery London UK
14. Department of Pharmacology and Toxicology Radboud Institute for Molecular Life Sciences, Radboud Center for Mitochondrial Medicine, Radboudumc Nijmegen The Netherlands
15. Department of Clinical and Experimental Medicine, Neurological Institute University of Pisa Pisa Italy