[1] Brown Univ, Warren Alpert Med Sch, Dept Epidemiol, Providence, RI 02912 USA
[2] Brown Univ, Warren Alpert Med Sch, Dept Family Med, Providence, RI 02912 USA
[3] Brown Univ, Warren Alpert Med Sch, Dept Med, Providence, RI 02912 USA
[4] Beth Israel Deaconess Med Ctr, Div Gen Med & Primary Care, Boston, MA 02215 USA
[5] Harvard Univ, Sch Med, Boston, MA USA
[6] Indiana Univ, Richard M Fairbanks Sch Publ Hlth, Dept Epidemiol, Indianapolis, IN 46204 USA
[7] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA 90095 USA
[8] Univ Calif Los Angeles, David Geffen Sch Med, Dept Obstet & Gynecol, Los Angeles, CA 90095 USA
[9] Brown Univ, Mem Hosp Rhode Isl, Ctr Primary Care & Prevent, Pawtucket, RI 02860 USA
[10] Providence US Dept Vet Affairs, Med Ctr, Vasc Res Lab, Providence, RI USA
[11] Rhode Isl Hosp, Div Endocrinol, Providence, RI USA