Laboratories of Neuroimmunology, Neuroscience Research Center, Department of Clinical Neurosciences, Lausanne University Hospital, Chemin des Boveresses 155, 1066 Epalinges, Switzerland; Department of Pathology and Immunology, Geneva University Medical Center, Rue Michel-Servet 1, 1211 Geneva 4, Switzerland; Division of Immunology and Allergology, Department of Medical Specialties, Geneva University Hospitals, Rue Gabrielle-Perret-Gentil 4, 1211 Geneva 14, Switzerland. Laboratories of Neuroimmunology, Neuroscience Research Center, Department of Clinical Neurosciences, Lausanne University Hospital, Chemin des Boveresses 155, 1066 Epalinges, Switzerland. Developmental and Molecular Pathways, Novartis Institutes for BioMedical Research, Forum 1, 4002 Basel, Switzerland. Division of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital, Rue du Bugnon 46, 1011 Lausanne, Switzerland. Division of Immunology and Allergology, Department of Medical Specialties, Geneva University Hospitals, Rue Gabrielle-Perret-Gentil 4, 1211 Geneva 14, Switzerland. Laboratories of Neuroimmunology, Neuroscience Research Center, Department of Clinical Neurosciences, Lausanne University Hospital, Chemin des Boveresses 155, 1066 Epalinges, Switzerland; Division of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital, Rue du Bugnon 46, 1011 Lausanne, Switzerland. Laboratories of Neuroimmunology, Neuroscience Research Center, Department of Clinical Neurosciences, Lausanne University Hospital, Chemin des Boveresses 155, 1066 Epalinges, Switzerland; Department of Pathology and Immunology, Geneva University Medical Center, Rue Michel-Servet 1, 1211 Geneva 4, Switzerland; Division of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital, Rue du Bugnon 46, 1011 Lausanne, Switzerland. Electronic address: caroline.pot-kreis@chuv.ch.