1. Duke UniversityDurham, North Carolina
2. Duke–Margolis Center for Health PolicyDurham, North Carolina
3. University of Texas Southwestern Medical CenterDallas, Texas
4. Johns Hopkins University School of MedicineBaltimore, Maryland
5. Yale UniversityNew Haven, Connecticut
6. University of PennsylvaniaPhiladelphia, Pennsylvania
7. University of MichiganAnn Arbor, Michigan
8. VA Ann ArborAnn Arbor, Michigan
9. Oregon Health & Science UniversityPortland, Oregon
10. VA Portland Health Care SystemPortland, Oregon
11. University of Miami Miller School of MedicineMiami, Florida
12. Albert Einstein College of MedicineBronx, New York