[1] Harvard Univ, Sch Publ Hlth, Dept Nutr, Boston, MA 02115 USA
[2] Harvard Univ, Sch Publ Hlth, Dept Epidemiol, Boston, MA 02115 USA
[3] Harvard Univ, Sch Med, Brigham & Womens Hosp, Channing Div Network Med,Dept Med, Boston, MA 02115 USA
[4] Univ Calif San Francisco, Sch Med, Dept Urol, San Francisco, CA 94143 USA
[5] Harvard Univ, Sch Med, Dana Farber Canc Inst, Dept Pathol,Ctr Mol Oncol Pathol, Boston, MA 02115 USA
[6] Harvard Univ, Sch Med, Dana Farber Canc Inst, Dept Med Oncol, Boston, MA 02115 USA
[7] Harvard Univ, Sch Med, Brigham & Womens Hosp, Div Prevent Med,Dept Med, Boston, MA 02115 USA