1. RTI International, University of North Carolina at Chapel Hill Evidence-based Practice Center
2. Department of Internal Medicine, The Ohio State University, Columbus
3. Department of Medicine, University of North Carolina at Chapel Hill
4. Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill
5. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill
6. RTI International, Research Triangle Park, North Carolina
7. Michigan Medicine, University of Michigan, Ann Arbor
8. Department of Internal Medicine, Virginia Commonwealth University, Richmond
9. Department of Family Medicine, University of North Carolina at Chapel Hill