1. Nerve‐Muscle Unit, Department of Clinical Neurosciences Lausanne University Hospital and University of Lausanne Lausanne Switzerland
2. Multiple Sclerosis Centre and Research Centre for Clinical Neuroimmunology and Neuroscience (RC2NB), Departments of Biomedicine and Clinical Research University Hospital and University of Basel Basel Switzerland
3. Center for Primary Care and Public Health (Unisanté) University of Lausanne Lausanne Switzerland