[1] Kaiser Permanente Georgia, Div Endocrinol, Atlanta, GA USA
[2] Emory Sch Med, Div Endocrinol, Atlanta, GA USA
[3] Univ Washington, Dept Biostat, Seattle, WA 98195 USA
[4] NIA, Geriatr Branch Off, NIH, Bethesda, MD 20892 USA
[5] Albert Einstein Coll Med, Dept Med, Div Epidemiol & Populat Hlth, Bronx, NY USA
[6] Brigham & Womens Hosp, Dept Med, Boston, MA 02115 USA
[7] Harvard Univ, Sch Med, Boston, MA USA
[8] Univ Calif San Diego, Div Nephrol, San Diego VA Healthcare Syst, San Diego, CA 92103 USA
[9] Univ Vermont, Coll Med, Dept Pathol, Burlington, VT 05405 USA
[10] Univ Vermont, Coll Med, Dept Biochem, Burlington, VT 05405 USA
[11] Univ Washington, Dept Med, Seattle, WA USA
[12] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Epidemiol, Pittsburgh, PA USA
[13] Beth Israel Deaconess Med Ctr, Dept Med, Boston, MA 02215 USA