1. Columbia University Medical CenterNew York, New York
2. Northwestern UniversityChicago, Illinois
3. University of California San FranciscoSan Francisco, California
4. Wake Forest School of MedicineWinston-Salem, North Carolina
5. Hankinson Consulting, Inc.Athens, Georgia
6. University of Minnesota School of Public HealthMinneapolis, Minnesota
7. Johns Hopkins University School of MedicineBaltimore, Maryland
8. Stony Brook UniversityStony Brook, New York
9. University of California Los AngelesLos Angeles, California