1. Division of Orthopaedic Surgery, Department of Surgery, Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
2. Clinical and Translational Science, School of Medicine, West Virginia University, Morgantown, WV, USA
3. Division of Orthopaedic Surgery, Department of Surgery, Faculty of Medicine, American University of Beirut Medical Center, P.O. Box 11-0236, Riad El-Solh, 1107 2020 Beirut, Lebanon