1. Postgraduate Orthodontic Resident, State University of New York at Buffalo, Buffalo, NY.
2. Professor and Chairman, Department of Orthodontics, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY.
3. Adjunct Research Associate, Department of Orthodontics, State University of New York at Buffalo, Buffalo, NY, and Assistant Professor, Department of Preventive Dental Sciences, University of Dammam, Dammam, Saudi Arabia.
4. Private practice, Buffalo, NY.
5. Assistant Professor, Department of Orthodontics, State University of New York at Buffalo, Buffalo, NY.