[1] Univ Calif San Francisco, Dept Epidemiol & Biostat, UCSF Box 0560,550 16th St,2nd Floor, San Francisco, CA 94158 USA
[2] Univ Calif San Francisco, Dept Urol, San Francisco, CA 94143 USA
[3] Univ Calif San Francisco, Sch Med, San Francisco, CA 94143 USA
[4] Univ Calif San Francisco, Div Hematol Oncol, Dept Med, San Francisco, CA 94143 USA
[5] Univ Calif San Francisco, Helen Diller Family Comprehens Canc Ctr, San Francisco, CA 94143 USA
[6] Univ Calif San Francisco, Dept Anthropol Hist & Social Med, San Francisco, CA 94143 USA
[7] Univ Calif San Francisco, Dept Physiol Nursing, San Francisco, CA 94143 USA
[8] Dana Farber Partners Canc Care, Boston, MA USA