1. Neuroimaging Research Unit, Institute of Experimental Neurology, Division of NeuroscienceIRCCS San Raffaele Scientific Institute Milan Italy
2. Neurology UnitIRCCS San Raffaele Scientific Institute Milan Italy
3. Neurophysiology UnitIRCCS San Raffaele Scientific Institute Milan Italy
4. Vita‐Salute San Raffaele University Milan Italy
5. Royal HollowayUniversity of London London United Kingdom
6. Center for Brain ResearchMedical University of Vienna Vienna Austria
7. NeuroCure Clinical Research Center and Experimental and Clinical Research CenterMax Delbrueck Center for Molecular Medicine and Charité‐Universitätsmedizin Berlin Berlin Germany
8. Neuroradiology Section, Department of RadiologyVall d'Hebron University Hospital and Research Institute, Autonomous University of Barcelona Barcelona Spain
9. Department of Anatomy and NeurosciencesMultiple Sclerosis Center Amsterdam, Amsterdam Neuroscience, Amsterdam University Medical Center, Vrije Universiteit Amsterdam Amsterdam the Netherlands
10. Unit of NeuroepidemiologyFondazione IRCCS Istituto Neurologico Carlo Besta Milan Italy
11. Sorbonne Université, Institut du Cerveau‐Paris Brain Institute ‐ ICM, Inserm, CNRS, APHP Paris France