1 Department of Neurology with Institute of Translational Neurology, University Hospital Münster, 48149 Münster, NRW, Germany.
2 Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, BCN, Spain.
3 La Caixa Research Institute, 08035 Barcelona, BCN, Spain.
4 Neurology Unit, Department of Neurosciences, Biomedicine, and Movement Sciences, University of Verona, 37129 Verona, VR, Italy.
5 Servei de Neurologia. Centre d'Esclerosi Múltiple de Catalunya (Cemcat). Institut de Recerca Vall d'Hebron (VHIR). Hospital Universitari Vall d'Hebron. Universitat Autònoma de Barcelona. 08035 Barcelona, BCN, Spain.
6 Universitat de Vic-Universitat Central de Catalunya (UVic-UCC), 08500 Vic, BCN, Spain.