1. LBPC‐PPC Université Montpellier, CHU Montpellier, INM INSERM Montpellier France
2. Hospital de la Santa Creu i Sant Pau – Biomedical Research Institute Sant Pau – Universitat Autònoma de Barcelona Barcelona Spain
3. Explorations neurologiques et centre SLA Université Montpellier, CHU Gui de Chauliac, INM, INSERM Montpellier France
4. Department of Neurology University Hospital and University of Basel Basel Switzerland
5. Multiple Sclerosis Center and Research Center for Clinical Neuroimmunology and Neuroscience (RC2NB), Departments of Biomedicine and Clinical Research University Hospital and University of Basel Basel Switzerland