1 Assistant Professor, Department of Health Policy and Health Services Research, Boston University Henry M. Goldman School of Dental Medicine, Boston, MA.
2 Associated Research Scientist, Public Policy Center, University of Iowa, Iowa City, IA.
3 Professor, College of Public Health, University of Iowa, Iowa City, IA.
4 Professor and Department Head, College of Dentistry, University of Iowa, Iowa City, IA.
5 Professor, College of Dentistry and Faculty Associate, Public Policy Center, University of Iowa, Iowa City, IA.
6 Clinical Associate Professor, College of Medicine, University of Iowa, Iowa City, IA.
7 Professor, College of Dentistry and Director, Public Policy Center, University of Iowa, Iowa City, IA.