1. From the Department of Internal Medicine, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
2. Correspondence: Aisha Al-Ghamdi, MD · Department of Internal Medicine, King Abdulaziz University Hospital, PO Box 30598, Jeddah 21487, Saudi Arabia · T: +966-2-640-8243 F: +966-2-640-8315 · aalghamdius@yahoo.com
3. From the Department of Rheumatology, King Abdulaziz University Hospital, Jeddah, Saudi Arabia