1. Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
2. Department of Neurology, Neurosurgery and Medical Genetics, Federal Center of Brain Research and Neurotechnologies, Pirogov Russian National Research Medical University, Moscow, Russia
3. Department of Neurology, FLENI Institute, Buenos Aires, Argentina
4. Department of Neurology, University Hospital of Rennes, Rennes, France
5. Department of Medicine and the Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada
6. Department of Neurology-Neuroimmunology, Centre d’Esclerosi Múltiple de Catalunya (Cemcat), Hospital Universitario Vall d’Hebron, Barcelona, Spain
7. MS Research Center, School of Medicine, University of Miami, Miami, FL, USA
8. Department of Neurological Sciences, Rush Medical College, Chicago, IL, USA
9. Neurology Institute, Harley Street Medical Center, Abu Dhabi, UAE/American University of Beirut Medical Center, Beirut, Lebanon
10. Division of Clinical Neuroimmunology, Comprehensive MS Center, Jefferson University, Philadelphia, PA, USA
11. EMD Serono Research & Development Institute, Inc., Billerica, MA, USA, an affiliate of Merck KGaA
12. Merck Healthcare KGaA, Darmstadt, Germany