1. Department of Orthodontics, Faculdade Arnaldo, Belo Horizonte, Brazil.
2. Department of Oral Radiology, Pontifical Catholic University of Minas Gerais, Belo Horizonte, Brazil.
3. Department of Orthodontics, Saint Louis University, St. Louis, MO, USA.
4. Ciências Médicas Postgraduate Program, Belo Horizonte, Brazil.
5. Department of Dentistry, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, MG, Brazil.