[1] Wayne State Sch Med, Karmanos Canc Inst, Detroit, MI 48201 USA
[2] Wayne State Sch Med, Dept Internal Med, Detroit, MI 48201 USA
[3] Univ Michigan, Sch Med, Dept Urol, Ann Arbor, MI USA
[4] Univ Michigan, Sch Med, Dept Internal Med, Ann Arbor, MI USA
[5] Univ Michigan, Sch Publ Hlth, Dept Epidemiol, Ann Arbor, MI 48109 USA