[1
]
Department of Orthodontics, School of Dental Medicine, Saint Joseph University, Beirut,
Lebanon.
[2
]
Department of Orthodontics, School of Dental Medicine, Saint Joseph University, Beirut,
Lebanon. Electronic address: joseph.ghoubril@usj.edu.lb.
[3
]
Service d'Orthopédie Dento-Faciale, Hôpital de la Timone, 264, rue Saint-Pierre, 13005
Marseille, France.
[4
]
Kamal A. Shair Central Research Science Laboratory, Faculty of Arts and Sciences,
American University of Beirut, Riad El-Solh, P.O. Box: 11-0236, 1107 2020 Beirut,
Lebanon.