1. Department of Neurology, Amsterdam UMC, Vrije Universiteit Amsterdam, the Netherlands
2. Department of Neurology, Klinikum rechts der Isar, Technische Universität München, Germany
3. Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, NeuroCure Clinical Research Center, Germany
4. Al-Bahar Ophthalmology Centre, Ibn Sina Hospital, Kuwait
5. Division of Neurology, Department of Medicine, Amiri Hospital, Kuwait
6. IDIBAPS – Hospital Clinic, University of Barcelona, Spain
7. Multiple Sclerosis Centre of Catalonia, Neurology-Neuroinmunology Unit, Vall d’Hebron Hospital, Spain
8. Department of Neurology, Medical Faculty, Heinrich Heine University, Germany
9. Institute of Clinical Neuroimmunology, Ludwig-Maximilians Universitaet Muenchen, Germany
10. Vita-Salute San Raffaele University, Italy
11. New York University School of Medicine, USA
12. Experimental and Clinical Research Center, Max Delbrueck Center for Molecular Medicine and Charité – Universitätsmedizin Berlin, Germany
13. Division of Neurology, Department of Medicine, St. Michael’s Hospital, University of Toronto, Canada
14. Université Lille (Inserm U1171), France
15. Munich Cluster for Systems Neurology (SyNergy), Germany
16. Moorfields Eye Hospital & The National Hospital for Neurology and Neurosurgery, UK