1. Department of Diagnostics and Biomedical Sciences. School of Dentistry, University of Texas Health Science Center at Houston, Houston, Texas, USA
2. Faculty of Dentistry. The University of Sydney, Sydney, Australia
3. Office of Global and Community Health. Harvard School of Dental Medicine, Boston, Massachusetts, USA
4. Department of Diagnostic Sciences. Tufts School of Dental Medicine, Boston, Massachusetts, USA
5. Department of Community Dentistry & Population Health. University of Colorado School of Dental Medicine, Aurora, Colorado, USA
6. Office of Dental Education Services. Loma Linda University School of Dentistry, Loma Linda, California, USA
7. Office of Information Resources. University of Buffalo School of Dental Medicine, Buffalo, New York, USA
8. Department of Family Dentistry. University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
9. Department of Developmental and Surgical Sciences. University of Minnesota School of Dentistry, Minneapolis, Minnesota, USA
10. Department of Preventive and Restorative Dental Science. School of Dentistry, University of California at San Francisco, San Francisco, California, USA
11. Department of Dental Management Sciences. School of Dentistry, University of Pretoria, Pretoria, South Africa