1. a Undergraduate student, School of Dentistry, University of Michigan, Ann Arbor, Mich
2. b Instructor, Department of Orthodontics and Pediatric Dentistry, School of Dentistry, University of Michigan, Ann Arbor, Mich
3. c Associate Professor of Dentistry and Adjunct Associate Professor of Psychology, School of Dentistry, University of Michigan, Ann Arbor, Mich