1. College of Medicine Alfaisal University Riyadh Saudi Arabia
2. Department of Dermatology and Dermatologic Surgery Prince Sultan Military Medical City Riyadh Saudi Arabia
3. Department of Dermatology King Saud Medical City Riyadh Saudi Arabia
4. Department of Pathology King Saud University Riyadh Saudi Arabia
5. College of Medicine Princess Nourah Bint Abdulrahman University Riyadh Saudi Arabia
6. Department of Dermatology Security Forces Hospital Riyadh Saudi Arabia