From the *Division of Research, Kaiser Permanente Medical Care Program, Northern California, Oakland, California; †Division of Diabetes Translation, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia; ‡Pacific Health Research Institute, Honolulu, Hawaii; §Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California; ¶Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana; ∥School of Medicine, University of Michigan, Ann Arbor, Michigan; **University of Medicine and Dentistry of New Jersey, Center for Continuing and Outreach Education, Newark, New Jersey; ††Rollins School of Public Health, Emory University, Atlanta, Georgia; ‡‡for a list of the TRIAD Study Group, see Appendix.