1. Postgraduate Orthodontic Student, Postgraduate Orthodontic Program, Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy.
2. Associate Professor, Department of Biomedical, Odontostomatological Sciences and of Morphological and Functional Images, Section of Orthodontics, University of Messina, Messina, Italy.
3. Research Assistant, Department of Biomedical, Odontostomatological Sciences and of Morphological and Functional Images, Section of Orthodontics, University of Messina, Messina, Italy.
4. Professor, Department of Orthodontics, Tehran Dental Branch, Islamic Azad University, Tehran, Iran.
5. Associate Professor, Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy.
6. Associate Professor, Chairman of Post Graduate Orthodontic Program, and Head of Unit of Orthodontics, Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy.