1. Institute for Healthcare Improvement, Boston, MA
2. J.P. Morgan Partners LLC, Washington, DC
3. Aspen, CO
4. Jackson Hole Group, Jackson Hole, WY
5. Stanford University, Stanford, CA
6. Kaiser Permanente, Oakland, CA
7. National Quality Forum, Washington, DC
8. RAND, Santa Monica, CA
9. Princeton University, Princeton, NJ
10. Urban Institute, Washington, DC
11. University of North Carolina, Chapel Hill, NC
12. Aetna, Hartford, CT
13. WellPoint Health Networks, Thousand Oaks, CA
14. Dartmouth Medical School, Dartmouth, NH
15. Project HOPE, Bethesda, MD