1. Dermatology Department, College of Medicine, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
2. Division of Dermatology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
3. Division of Internal Medicine, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
4. Dermatology Department, Security Forces Hospital, Riyadh, Saudi Arabia
5. Division of Dermatology, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
6. Dermatology Department, Derma Clinic, Riyadh, Saudi Arabia