1. Department of Dermatology, King Fahad Medical City, Riyadh, Saudi Arabia
2. General Adminstration for Medical Consultation, Ministry of Health, Riyadh, Saudi Arabia
3. Department of Emergency Medicine, King Saud University Medical City, Riyadh, Saudi Arabia
4. Department of Emergency Medicine, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
5. Department of Pediatric, King Abdulaziz Hospital, Ministry of National Guard Hospital, Al-Ahsa, Saudi Arabia
6. Department of Dermatology, College of Medicine, Imam Mohammed Ibn Saud Islamic University, Riyadh, Saudi Arabia