1. Department of Neurology Johns Hopkins University School of Medicine Baltimore Maryland USA
2. Biogen Cambridge Massachusetts USA
3. Lou Ruvo Center for Brain Health Cleveland Clinic Las Vegas Nevada USA
4. Department of Neurology University of Rochester Medical Center Rochester New York USA
5. Mellen Center, Neurological Institute, Cleveland Clinic Cleveland Ohio USA
6. Department of Neurology and Centre d'Esclerosi Múltiple de Catalunya Vall d'Hebron Hospital Universitari, Universitat Autònoma de Barcelona Barcelona Spain
7. Department of Neurology Washington University in St. Louis St. Louis Missouri USA
8. Department of Neurology New York University New York City New York USA
9. OhioHealth Multiple Sclerosis Center Riverside Methodist Hospital Columbus Ohio USA
10. Center of Clinical Neuroscience, Department of Neurology University Clinic Carl‐Gustav Carus Dresden Germany
11. (formerly) Biogen Cambridge Massachusetts USA