1. College of Dental Medicine-Illinois, Midwestern University
2. School of Dental Medicine, Stony Brook University
3. Department of General Practice and Dental Public Health; The University of Texas School of Dentistry; Houston
4. Herman Ostrow School of Dentistry of USC
5. Department of Oral Pathology, Radiology, and Medicine; The University of Iowa College of Dentistry & Dental Clinics
6. Department of Restorative Clinical Sciences; School of Dentistry, University of Missouri; Kansas City