1 Université Côte d'Azur, CHU, Inserm, CNRS, IRCAN, France.
2 Wellcome Trust Centre for Mitochondrial Research, Institute of Genetic Medicine, International Centre for Life, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK.
3 Fédération de Neurologie, Université Pierre et Marie Curie et Groupe Hospitalier Pitié-Salpêtrière, Paris, France.
4 Joint Centre for Applied Electron Microscopy, Nice Sophia-Antipolis University, Nice, France.
5 UMR7592 CNRS, Jacques Monod Institute, Paris Diderot University, Paris, France.
6 UMR 7622 CNRS et UPMC et Fédération de Neurologie, Université Pierre et Marie Curie et Groupe Hospitalier Pitié-Salpêtrière, Paris, France.
7 Department of Clinical Neurosciences, School of Clinical Medicine, University of Cambridge, Cambridge, UK.
8 NIHR Biomedical Research Centre at Moorfields Eye Hospital and UCL Institute of Ophthalmology, London, UK.