1 Division of Endocrinology, Gerontology, and Metabolism, Stanford University School of Medicine, Stanford, California, USA sunhkim@stanford.edu.
2 Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
3 Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.
4 Kaiser Permanente Center for Health Research, Portland, Oregon, USA.
5 Tufts CTSI, BERD Center, Tufts Medical Center, Boston, Massachusetts, USA.
6 Division of Endocrinology, Metabolism and Diabetes, University of Colorado School of Medicine and VA Eastern Colorado Health Care System, Aurora, Colorado, USA.
7 NIDDK (Retired), Bethesda, Maryland, USA.
8 Division of Endocrinology, Diabetes and Metabolism, Tufts Medical Center, Boston, Massachusetts, USA.
9 Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA.