1. a Predoctoral student, School of Dentistry, University of Michigan, Ann Arbor, Mich
2. b Clinical Assistant Professor of Orthodontics, 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, Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Mich
4. Corresponding author: Dr Marita Rohr Inglehart, School of Dentistry, University of Michigan, POM, Ann Arbor, MI 48109-1078 (mri@umich.edu)