1 Department of Neurology, Queen Elizabeth Hospital, Mindelsohn Way, Birmingham, B15 2GW, UK. bubai.shakya@gmail.com.
2 Division of Evolution, Infection and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M13 9NT, UK.
3 Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester University NHS Foundation Trust, Manchester, M13 9WL, UK.
4 Manchester Royal Eye Hospital, Manchester University NHS Foundation Trust, Manchester, M13 9WL, UK.
5 Mitochondrial Research Group, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK.
6 NHS Highly Specialised Service for Rare Mitochondrial Disorders, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, NE1 4LP, UK.
7 Department of Neurology, Manchester Centre for Clinical Neurosciences, Northern Care Alliance NHS Foundation Trust, Salford, M6 8HD, UK.
8 Division of Neuroscience, Faculty of Biology, Medicine and Health, School of Biological Sciences, The University of Manchester, Manchester, M13 9PT, UK.