1. Plastic and Reconstructive Surgery Section, Department of Surgery, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia
2. King Saud bin Abdulaziz University for Health Sciences, KSAU-HS College of Medicine (Jeddah), Jeddah, Saudi Arabia
3. Princess Noura University College of Medicine
4. Plastic and Reconstructive Surgery Division, Department of Surgery, College of Medicine, King Saud University, Riyadh, Saudi Arabia.