1. Department of Public Health, Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
2. Department of Orthopedics, Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
3. Department of Removable Prosthodontics, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
4. Equipe D’accueil EA 4847, Centre De Recherche En Odontologie Clinique (CROC), Université Clermont Auvergne, Clermont-Ferrand, France
5. Laboratoire De Recherche Cranio-Faciale, Unité De Santé Orale, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon