1. Professor, Director of Graduate Research Programs, School of Dentistry, University of Missouri-Kansas City, Kansas City, Mo
2. Previous Resident, Department of Orthodontics and Dentofacial Orthopedics, School of Dentistry, University of Missouri-Kansas City, Kansas City, Mo; Private practice, Moorhead, Minn
3. Dental Student, School of Dentistry, University of Missouri-Kansas City, Kansas City, Mo
4. Professor, Department of Dental Public Health and Behavioral Science, School of Dentistry, University of Missouri-Kansas City, Kansas City, Mo