1. Department of Dentofacial Medicine American University of Beirut Medical Center Beirut Lebanon
2. Department of Orthodontics and Dentofacial Orthopedics School of Dental Medicine, University of Pennsylvania Philadelphia Pennsylvania USA
3. Division of Orthodontics and Dentofacial Orthopedics American University of Beirut Medical Center Beirut Lebanon
4. Department of Forensic Sciences Lebanese University Beirut Lebanon