[1] Beth Israel Deaconess Med Ctr, Div Urol, Dept Surg, Boston, MA 02215 USA
[2] Beth Israel Deaconess Med Ctr, Dept Radiat Oncol, Boston, MA 02215 USA
[3] Harvard Univ, Sch Publ Hlth, Dept Biostat, Boston, MA 02115 USA
[4] Univ Michigan, Biostat Core, Ann Arbor, MI 48109 USA
[5] Univ Michigan, Dept Radiat Oncol, Ann Arbor, MI 48109 USA
[6] Univ Michigan, Dept Urol, Ann Arbor, MI 48109 USA
[7] Univ Michigan, Sch Med, Ann Arbor, MI 48109 USA
[8] Univ Michigan, Sch Nursing, Ann Arbor, MI 48109 USA
[9] Washington Univ, Dept Radiat Oncol, St Louis, MO USA
[10] Washington Univ, Dept Urol, St Louis, MO USA
[11] Michigan State Univ, Off Survey Res, Inst Publ Policy & Social Res, E Lansing, MI 48824 USA
[12] Inst Publ Hlth, Alcohol Res Grp, Emeryville, CA USA
[13] Univ Calif Los Angeles, Ctr Hlth Sci, Dept Urol, Los Angeles, CA 90024 USA
[14] Univ Calif Los Angeles, Ctr Hlth Sci, Dept Hlth Serv, Los Angeles, CA 90024 USA
[15] Cleveland Clin Hosp, Dept Radiat Oncol, Cleveland, OH USA
[16] Cleveland Clin Hosp, Dept Urol, Cleveland, OH USA
[17] Univ Texas Houston, MD Anderson Canc Ctr, Dept Urol, Houston, TX 77030 USA
[18] Univ Texas Houston, MD Anderson Canc Ctr, Dept Radiat Oncol, Houston, TX 77030 USA