1 Department of Urology, UCSF Helen Diller Family Comprehensive Cancer Center, 550 16th St, San Francisco, CA, 94143, USA. matthew.cooperberg@ucsf.edu.
2 Department of Epidemiology & Biostatistics, UCSF Helen Diller Family Comprehensive Cancer Center, 550 16th St, San Francisco, CA, 94143, USA. matthew.cooperberg@ucsf.edu.
3 Department of Urology, UCSF Helen Diller Family Comprehensive Cancer Center, 550 16th St, San Francisco, CA, 94143, USA.
4 Department of Epidemiology & Biostatistics, UCSF Helen Diller Family Comprehensive Cancer Center, 550 16th St, San Francisco, CA, 94143, USA.