1. NORC at the University of Chicago Cambridge Massachusetts USA
2. Department of Health Policy and Management, The Gillings School of Global Public Health The University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
3. Cecil G. Sheps Center for Health Services Research University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
4. Health Care Quality and Outcomes Program RTI International Research Triangle Park North Carolina USA
5. School of Social Work North Carolina State University Raleigh North Carolina USA
6. College of Pharmacy University of Minnesota Minneapolis Minnesota USA
7. Community Care of North Carolina, Inc. Cary North Carolina USA
8. Aledade, Inc. Bethesda Maryland USA