1. Department of Orthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq
2. Department of Orthodontics, Ministry of Health, Baghdad, Iraq
3. Department of Woman, Child and General and Specialist Surgery, University of Campania “Luigi Vanvitelli,” Naples, Italy
4. Multidisciplinary Department of Medicine for Surgery and Orthodontics, University of Campania “Luigi Vanvitelli,” Caserta, Italy
5. Department of Biomedical and Surgical and Biomedical Sciences, Catania University, Catania, Italy