1. Center for Health Systems Research and Analysis, University of Wisconsin–Madison, Madison, Wisconsin
2. Department of Public Administration and Policy, School of Public and International Affairs, University of Georgia, Athens, Georgia
3. Center for Health Systems Effectiveness, Oregon Health & Science University, Portland, Oregon
4. OHSU-PSU School of Public Health, Oregon Health & Science University, Portland, Oregon
5. 2M Research Services, Raleigh-Durham, North Carolina
6. The Chalk Group, Washington, D.C.
7. School of Medicine, University of California at San Francisco, San Francisco, California