1. Department of Primary Dental Care School of Dentistry University of Minnesota Minneapolis Minnesota USA
2. Department of Periodontics and Oral Medicine University of Michigan School of Dentistry Ann Arbor Michigan USA
3. Department of Curriculum Evaluation and Promotion of Teaching and Learning School of Dentistry University of Michigan Ann Arbor Michigan USA
4. Department of General Dentistry, College of Dentistry University of Tennessee Health Sciences Center Memphis Tennessee USA
5. Department of Oral Medicine and Diagnostic Sciences College of Dentistry University of Illinois at Chicago Chicago Illinois USA
6. Department of Restorative Clinical Sciences University of Missouri‐Kansas City School of Dentistry Kansas City Missouri USA
7. Program Evaluation Group University of Michigan Ann Arbor Michigan USA
8. Department of Dental Public Health, School of Dental Medicine University of Pittsburgh Pittsburgh Pennsylvania USA