Ziyad Alharbi1,2, Khalid Khatib3, Hans-Oliver Rennekampff4. 1. Division of Plastic, Reconstructive and Hand Surgery, Department of Specialized Surgery, King Abdullah Medical City, Mecca, Saudi Arabia. 2. Department of Surgery, Faculty of Medicine, Umm Al-Qura University, Mecca, Saudi Arabia. 3. Department of Plastic, Reconstructive and Hand Surgery - Burn Center, Faculty of Medicine, RWTH Aachen University, Aachen, Germany. 4. Department of Plastic Surgery, Hand Surgery and Burn Surgery, Rhein-Maas Klinikum, Würselen, Germany.