1Institute of Human Genetics, Helmholtz Zentrum München, German Research Center for Environmental Health, 85764 Neuherberg, Germany
2Institute of Human Genetics, Technische Universität München, 81675 Munich, Germany
3Institute of Clinical Chemistry and University Children's Hospital, University of Bern, 3010 Bern, Switzerland
4Department of Metabolism, Chiba Children’s Hospital, Chiba 266-0007, Japan
5Division of Human Genetics, Department of Pediatrics, University of Bern, 3010 Bern, Switzerland
6Divisions of Inherited Metabolic Disease and Neuropediatrics, Department of General Pediatrics, University Hospital Heidelberg, D-69120 Heidelberg, Germany
7Department of Pediatrics, Nijmegen Center for Mitochondrial Disorders, Radboud University Center, 6525 GA Nijmegen, The Netherlands
8Department of Neuropediatrics and NeuroCure Clinical Research Center Charité Universitätsmedizin Berlin 13353 Berlin Germany
9Department of Pediatrics, Birmingham Children's Hospital, Birmingham, B4 6NH United Kingdom
10Department of Neurology, Friedrich-Baur-Institute, Ludwig-Maximilians-University, 80336 Munich, Germany
11Department of Pediatrics, Klinikum Reutlingen, 72764 Reutlingen, Germany
12Department of Pediatrics, Faculty of Medicine, Saitama Medical University, Saitama 350-0495, Japan
13Division of Functional Genomics & Systems Medicine, Research Center for Genomic Medicine, Saitama Medical University, Saitama, 350-1241 Japan
14Division of Translational Research, Research Center for Genomic Medicine, Saitama Medical University, Saitama, 350-1241 Japan
15Max-Planck-Institute for Molecular Genetics, Otto-Warburg Laboratory, 14195 Berlin, Germany
16Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, United Kingdom
17Department of Neuropediatrics, Children's Hospital of Eastern Switzerland St.Gallen, 9006 St. Gallen, Switzerland
18Institute of Human Genetics, University of Bonn, 53127 Bonn, Germany
19Institut für Humangenetik Universitätsklinikum Essen, Universität Duisburg‐Essen 45122 Essen Germany
20Wellcome Trust Centre for Mitochondrial Research, Institute of Neuroscience, The Medical School, Newcastle University, Newcastle upon Tyne, NE2 4HH United Kingdom
21Department of Pediatrics Friedrich‐Alexander‐University of Erlangen‐Nürnberg 91054 Erlangen Germany
22Department of Pediatrics, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria
23DZNE – German Center for Neurodegenerative Diseases 80336 Munich Germany
24Munich Cluster for Systems Neurology (SyNergy), 80336 Munich, Germany