1. Professor, Undergraduate Program in Speech Pathology, Izabela Hendrix Methodist University, Belo Horizonte, Brazil
2. Associate Professor, Graduate Program in Orthodontics, Pontifical Catholic University of Minas Gerais, Belo Horizonte, Brazil
3. Otorhinolaryngologist, Outpatient Clinic for Mouth-Breathers, Federal University of Minas Gerais, Belo Horizonte, Brazil
4. Associate Professor and Chief, Outpatient Clinic for Mouth-Breathers, Federal University of Minas Gerais, Belo Horizonte, Brazil
5. Clinical Director, Center for Advanced Dental Education, Saint Louis University, St Louis, Mo