1. Private practice, Oakbrook Terrace, Park Ridge, and Chicago, IL.
2. Department of Graduate Periodontics, University of Illinois College of Dentistry, Chicago, IL.
3. Private practice, Houston, TX.
4. University of Texas Dental School, Houston, TX.
5. Department of Orthodontics, University of Pennsylvania, Philadelphia, PA.
6. Private practice, Newtown Square, PA.
7. Department of Oral Medicine, Infection, and Immunity, Division of Periodontology, Harvard School of Dental Medicine, Boston, MA.
8. Private practice, Tualatin and Beaverton, OR.
9. Department of Periodontology, Oregon Health and Science University, Portland, OR.
10. Private practice, Boston, MA.
11. Xoran Technologies, Ann Arbor, MI.
12. Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI.