1. Department of Oral Medicine and Diagnostic Sciences University of Illinois, Chicago, College of Dentistry Chicago Illinois USA
2. Department of Dental Public Health University of Pittsburgh School of Dental Medicine Pittsburgh Pennsylvania USA
3. Department of General Dentistry, Office of Global and Population Health Boston University Henry M. Goldman School of Dental Medicine Boston Massachusetts USA
4. Department of Pediatric Dentistry and Community Health Rutgers School of Dental Medicine Newark New Jersey USA
5. Office of Academic Affairs Arthur A. Dugoni School of Dentistry University of the Pacific San Francisco California USA