1. Department of Molecular Neuroscience, Institute of Neurology; University College London; London WC1N 3BG United Kingdom
2. Department of Clinical and Experimental Epilepsy, Institute of Neurology; University College London; London WC1N 3BG United Kingdom
3. Department of Neurodegenerative Disease, Institute of Neurology; University College London; London WC1N 3BG United Kingdom
4. Center for Neurology and Hertie Institute for Clinical Brain Research; Eberhard-Karls-University; Tübingen Germany
5. Inserm U 1127, CNRS UMR 7225, Sorbonne Universités; UPMC University Paris 06 UMR S 1127, Institut du Cerveau et de la Moelle épinière (ICM); Paris France
6. APHP, Department of Genetics; University Hospital Pitié-Salpêtrière; 75013 Paris France
7. Université Bordeaux, Laboratoire Maladies Rares: Génétique et Métabolisme; INSERM1211 Bordeaux France
8. CHU Pellegrin, Service de Génétique Médicale, F-33000; Bordeaux France
9. Ecole Pratique des Hautes Etudes; 75014 Paris France
10. Neurogenetics Unit, 1st Department of Neurology; University of Athens Medical School, Eginition Hospital; 115 28 Athens Greece
11. Neurogenetics Department, National Institute of Neurology and Neurosurgery; “Manuel Velasco Suárez”; Mexico City CP14269 Mexico
12. Department of Biology; University of the Azores; 9500-321 Ponta Delgada Portugal
13. Instituto de Investigação e Inovação em Saúde; Universidade do Porto; 4150-180 Porto Portugal
14. Institute for Molecular and Cell Biology (IBMC); University of Porto; 4150-180 Porto Portugal
15. Laboratory of Neurogenetics, National Institute of Aging; NIH; Bethesda MD 20892, USA
16. Neurogenetics Unit, National Hospital for Neurology and Neurosurgery; University College London Hospitals; London WC1N 3BG United Kingdom
17. Ataxia Center, Institute of Neurology; University College London; London WC1N 3BG United Kingdom
18. MRC Centre for Neuropsychiatric Genetics and Genomics, Institute of Psychological Medicine and Clinical Neurosciences; Cardiff University; Cardiff CF24 4HQ United Kingdom