1. Division of Endocrinology, Diabetes, and Metabolism (I.A., K.R.V., P.R., K.A.H., B.A.R., A.N.H.) Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachsetts 02215
2. Section of Endocrinology (X.-H.L., R.E.W.), The University of Chicago, Chicago, Illinois 60637
3. Cardiovascular Institute (M.A.R., A.R.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachsetts 02215