1. Assistant Professor, Department of Scienze Sperimentali Medico Chirurgiche ed Odontostomatologiche, Section of Orthodontics, School of Dentistry, University of Messina, Messina, Italy
2. Research Associate, Department of Scienze Sperimentali Medico Chirurgiche ed Odontostomatologiche, Section of Orthodontics, School of Dentistry, University of Messina, Messina, Italy
3. Associate Professor, Department of Ingegneria Civile, Informatica, Edile, Ambientale e Matematica Applicata, University of Messina, Messina, Italy
4. Research Associate, Department of Discipline Odontostomatologiche, Ortodontiche e Chirurgiche, Section of Orthodontics, Second University of Naples, Naples, Italy
5. Associate Professor, Department of Discipline Odontostomatologiche, Ortodontiche e Chirurgiche, Section of Orthodontics, Second University of Naples, Naples, Italy
6. Professor and Chair, Department of Scienze Sperimentali Medico Chirurgiche ed Odontostomatologiche, Section of Orthodontics, School of Dentistry, University of Messina, Messina, Italy