1. Division of Neurology; CHU de Grenoble; Université Grenoble Alpes; INSERM U1416; Grenoble France
2. Independent biostatistician; Sainte-Anne Guadeloupe
3. Department of Neurosurgery; Hannover Medical School; Hannover Germany
4. Department of Neurology, Humanitas Research and University Hospital, Rozzano; Milan Italy
5. General Neurology & Complex Motor Disorders Service; Evelina Children's Hospital; London UK
6. Medtronic International Sàrl; Tolochenaz Switzerland
7. Department of Neurology; Salpêtrière Hospital; University Pierre Marie Curie; Paris France