1. Department of Family Medicine University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
2. Department of Health Policy and Management University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
3. Department of Political Science and Criminal Justice California State University Chico California USA
4. Department of Health Policy and Management University of Pittsburgh School of Public Health Pittsburgh Pennsylvania USA
5. Sheps Center for Health Services Research University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
6. Department of Health Services Policy and Practice Brown University School of Public Health Providence Rhode Island USA
7. Department of Health Management and Policy University of Iowa College of Public Health Iowa City Iowa USA