1. Neonatal Unit, Evelina London Children's Hospital Guy's & St Thomas' Hospital NHS Foundation Trust London UK
2. Department of Paediatric Neurology, Neuromuscular Service, Evelina London Children's Hospital Guy's & St Thomas' Hospital NHS Foundation Trust London UK
3. Wellcome Centre for Mitochondrial Research, Translational and Clinical Research Institute, Faculty of Medical Sciences University of Newcastle Newcastle Upon Tyne UK
4. NHS Highly Specialised for Rare Mitochondrial Disorders of Adults and Children Newcastle Upon Tyne Hospitals NHS Foundation Trust Newcastle Upon Tyne UK
5. Department of Medical Genetics University of Cambridge Cambridge UK
6. Department of Clinical Neuropathology King's College Hospital NHS Foundation Trust London UK
7. Department of Children's Inherited Metabolic Diseases, Evelina London Children's Hospital Guy's & St Thomas' Hospital NHS Foundation Trust London UK
8. Department of Clinical Genetics, Guy's Hospital Guy's & St Thomas' Hospital NHS Foundation Trust London UK
9. Institute of Neurogenomics, Helmholtz Zentrum Munchen Munich Germany
10. Institute of Human Genetics Technical University of Munich, School of Medicine Munich Germany
11. Randall Centre for Cell and Molecular Biophysics, Muscle Signalling Section Faculty of Life Sciences and Medicine (FoLSM) London UK
12. Department of Paediatric Neurology, Evelina London Children's Hospital Guy's & St Thomas' Hospital NHS Foundation Trust London UK