1. Department of Dermatology, King Saud University, Riyadh, Saudi Arabia;
2. Drexel University College of Medicine, University of California, Irvine;
3. College of Medicine, AlFaisal University, Riyadh, Saudi Arabia;
4. Department of Plastic and Reconstructive Surgery, Catharina Hospital, Eindhoven, the Netherlands;
5. Dermatology Division, Memorial Sloan Kettering Cancer Center, New York, New York;
6. Main Line Center for Laser Surgery, Ardmore, Pennsylvania