1. Department of Healthcare Policy and Research; Weill Cornell Medical College; New York NY
2. Department of Health Management and Policy; University of Michigan School of Public Health; Ann Arbor MI
3. Division of Health Policy and Management; School of Public Health; Berkeley CA
4. Statistics and Methodology; NORC at the University of Chicago; Bethesda MD
5. Center for Healthcare Organizational and Innovation Research; Division of Health Policy and Management; University of California, Berkeley; Berkeley CA
6. Primary Care Information Project; New York City Department of Health and Mental Hygiene; Long Island City (Queens) NY
7. Boston University School of Medicine; Boston MA
8. Department of Family and Community Medicine; University of California, San Francisco; San Francisco CA