1. Department of Dermatology, College of Medicine, Majmaah University, Al-Majmaah, Saudi Arabia
2. Department of Dermatology, Security Forces Hospital, Riyadh, Saudi Arabia
3. Department of Dermatology, University of Miami Miller School of Medicine, Miami, FL, USA
4. Phillip Frost Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA