1. Medical Specialities Department, King Fahad Medical City (KFMC), P.O. Box 59046, Riyadh, 11525, Kingdom of Saudi Arabia
2. Department of Dermatology, Heraa Hospital, Al Madinah Al Munawarah Rd, Mecca, Makkah, 24227, Kingdom of Saudi Arabia
3. Department of Medicine, Rheumatology Unit, College of Medicine, King Saud University, P.O. Box 14511, Riyadh, 11451, Kingdom of Saudi Arabia
4. Department of Dermatology, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, 34212, Kingdom of Saudi Arabia
5. Department of Medical Neurology, Eli Lilly and Company, Ulaya Dist., Riyadh, Riyadh Province, Kingdom of Saudi Arabia
6. Department of Rheumatology, King Abdulaziz University, P.O. Box 80200, Jeddah, 21589, Kingdom of Saudi Arabia