1. Department of Orthopedic Surgery, Ministry of National Guard - Health Affairs, King Abdulaziz Medical City, Riyadh, Saudi Arabia,
2. Department of Orthopedic Surgery, Ministry of National Guard - Health Affairs, Prince Mohammed Bin Abdulaziz Hospital, Almadinah Almunawarah, Saudi Arabia,
3. Faculty of Medicine, Taibah University, Almadinah Almunawarah, Saudi Arabia,