1. School of Dentistry Genova University Genoa Italy
2. Department of Orthodontics and Pediatric Dentistry, School of Dentistry University of Michigan Ann Arbor Michigan USA
3. Department of Restorative and Aesthetic Dentistry, Faculty of Dentistry King Abdulaziz University Jeddah Saudi Arabia
4. Private Practice of Orthodontics Rome Italy
5. Private Practice of Orthodontics Brighton Michigan USA
6. Department of Orthodontics, School of Dentistry Federal University of Rio de Janeiro Rio de Janeiro Brazil
7. Department of Orthodontics, Bauru Dental School University of São Paulo São Paulo Brazil
8. Department of Orthodontics Centero Universitário Uninovafapi Teresina Brazil
9. Department of Surgery and Translational Medicine University of Florence Florence Italy
10. Department of Orthodontics West Virginia University School of Dentistry Morgantown West Virginia USA
11. Department of Orthodontics, School and Hospital of Stomatology Wuhan University Wuhan China
12. Department of Orthodontics Methodist University of São Paulo São Paulo Brazil
13. Department of Orthodontics Genoa University School of Dentistry Genoa Italy