1. Faculty of Medicine, Umm Al-Qura University, Makkah City, Saudi Arabia
2. Orthopedic Department, Al-Noor Specialist Hospital, Makkah City, Saudi Arabia
3. Department of Orthopedic, King Fahad Specialist Hospital, Jeddah City, Saudi Arabia
4. Department of Orthopedic, King Abdullah Medical City Specialist Hospital, Makkah City, Saudi Arabia