1. School of Dentistry; University of Michigan
2. College of Dentistry and Dental Clinics; University of Iowa
3. College of Dentistry; New York University
4. School of Dentistry; University of California; San Francisco
5. School of Dentistry; Virginia Commonwealth University
6. College of Dentistry; Midwestern University-Illinois
7. Universidad El Bosque, Bogotá, Colombia; King's College; London
8. King's College; London
9. Department for Special Care Dentistry; Dental School; University of Witten/Herdecke; Witten Germany
10. Center for Pediatric Dentistry; University of Washington
11. Arthur A. Dugoni School of Dentistry; University of the Pacific