Diagnosis of multiple sclerosis: 2017 revisions of the McDonald criteria

University College London, Children's Hospital of Philadelphia, University of Pennsylvania, Amsterdam UMC Location Vrije Universiteit Amsterdam, Sir Charles Gairdner Hospital, National Multiple Sclerosis Society, Vita-Salute San Raffaele University, IRCCS Ospedale San Raffaele, Fundación para la Lucha contra las Enfermedades Neurológicas de la Infancia, Medical University of Graz, Ottawa Hospital, University of Ottawa, Southern Tohoku General Hospital, Fukushima Medical University, NYU Langone Health, Heinrich Heine University Düsseldorf, University of Basel, University Hospital of Basel, Icahn School of Medicine at Mount Sinai, University of Manitoba, University of Toronto, St. Michael's Hospital, Vall d'Hebron Hospital Universitari, Centre d'Esclerosi Múltiple de Catalunya, Johns Hopkins University, University of Copenhagen, Rigshospitalet, Danish Multiple Sclerosis Center, University of British Columbia, University of Bari Aldo Moro, Inserm, Centre de Recherche en Neurosciences de Lyon, Hospices Civils de Lyon, Université Claude Bernard Lyon 1, Centre National de la Recherche Scientifique, Observatoire Français de la Sclérose en Plaques, University of California, San Francisco, Mayo Clinic in Arizona, Cleveland Clinic