1. University of Washington, Seattle, Washington (R.M., T.R., P.H., A.D., N.G.)
2. State University of New York Downstate Medical Center, Brooklyn, New York (D.C., N.V.)
3. University of New Mexico, Albuquerque, New Mexico (M.U., D.K.Q.)
4. George Washington University, Washington, DC (S.D.C.)
5. University of Pennsylvania, Philadelphia, Pennsylvania (L.M.D.)
6. Boston University, Boston, Massachusetts (Y.D.)
7. University of Utah, Salt Lake City, Utah (T.G.)
8. Emory University, Atlanta, Georgia (N.K.)
9. University of Texas Southwestern, Dallas, Texas (M.H.T., S.S.H.)
10. Veterans Affairs Pittsburgh Healthcare System and University of Pittsburgh, Pittsburgh, Pennsylvania (S.D.W.)
11. Veterans Affairs Puget Sound Health Care System and University of Washington, Seattle, Washington (B.A.Y.)
12. National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland (P.L.K.)