1. School of Life Science Pontifícia Universidade Católica do Paraná Curitiba Brazil
2. CADE, Center for Advanced Dental Education SLU St. Louis MO USA
3. Department of orthodontics. Juiz de Fora federal University Juiz de Fora Brazil
4. Department of Orthodontics Southwest Bahia State University ‐ UESB Jequié Brazil