1. Graduate Orthodontic Program, The University of Michigan, Ann Arbor, Mich. Private practice of orthodontics, Spokane, Wash
2. Thomas M. and Doris Graber Endowed Professor of Dentistry, Department of Orthodontics and Pediatric Dentistry, School of Dentistry; Professor of Cell and Developmental Biology, School of Medicine; Research Professor, Center for Human Growth and Development, The University of Michigan, Ann Arbor, Mich. Private practice of orthodontics, Ann Arbor, Mich
3. Private practice of orthodontics, Battle Creek, Mich
4. Assistant Professor, Department of Orthodontics, The University of Florence, Florence, Italy; Thomas M. Graber Visiting Scholar, Department of Orthodontics and Pediatric Dentistry, School of Dentistry, The University of Michigan, Ann Arbor, Mich