1. Korenberg School of Dentistry; Temple University; Philadelphia; PA; USA
2. King's College; London Dental Institute; London; UK
3. School of Dentistry; University of Copenhagen; Denmark
4. Willamette Dental Group; Hillsboro; OR; USA
5. School of Dentistry; University of Sheffield; Sheffield; UK
6. FDI Word Dental Federation; Geneva; Switzerland
7. School of Dentistry; University of the Pacific; Stockton; CA; USA
8. School of Dentistry; University of California; San Francisco; CA; USA
9. School of Dentistry; University of Sydney; NSW; Australia
10. Division of Science; American Dental Association; Chicago; Illinois
11. School of Dentistry; Indiana University; Bloomington; IN; USA
12. School of Dentistry; Universidad El Bosque; Bogota; Colombia
13. School of Dentistry; University of Michigan; Ann Arbor; MI; USA