1. Division of Oculofacial Plastic and Reconstructive Surgery, Viterbi Family Department of Ophthalmology, UC San Diego Shiley Eye Institute, La Jolla, California, U.S.A.
2. Surgery Department, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
3. University of Maryland School of Medicine, Baltimore, U.S.A.
4. Division of Plastic and Reconstructive Surgery, Department of Surgery, UC San Diego School of Medicine, La Jolla, California, U.S.A.