1. Medical Research Service (J.E., A.G.K., L.R., D.A.A., N.J.G.W.), San Diego Veterans Affairs Healthcare System, San Diego, California 92161
2. University of California San Diego/Whittier Diabetes Program (J.E., A.G.K., D.W.R., N.J.G.W.), University of California, San Diego, California 92093
3. Department of Medicine (J.E., A.G.K., D.W.R., N.J.G.W.), University of California, San Diego, California 92093
4. University of California San Diego Cancer Center (N.J.G.W.), University of California, San Diego, California 92093