Real World retrospective study of effectiveness and safety of Gilenya (FINgOlimod) in relapsing remitting Multiple Sclerosis in the Middle East and North Africa (FINOMENA)

King Faisal Specialist Hospital and Research Center (Riyadh), King Fahad Hospital (Jeddah), King Abdulaziz Hospital Oncology Center, King Fahad Medical City (Riyadh), King Khalid University Hospital (Riyadh), Al-Noor Specialist Hospital (Makkah), Hira Hospital (Makkah), King Fahad Specialist Hospital (Dammam), Dr. Erfan & Bagedo General Hospital (Jeddah)