1. First Department of Neurology, Aeginition Hospital, National & Kapodistrian University of Athens, Athens, 11528, Greece
2. Multiple Sclerosis Center, 2nd Department of Neurology, AHEPA University Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, 54636, Greece
3. Department of Neurology, University General Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, 40500, Greece
4. Department of Neurology, General Hospital of Volos, Volos, 38222, Greece
5. Country Medical Affairs Manager, Teva Pharmaceuticals, Athens, 15135, Greece
6. Neurology Clinic, Henry Dunant Hospital Center, Athens, 11526, Greece