1. UCSF/UCB Joint Medical Program; Berkeley CA USA
2. Department of Urology; University of California, San Francisco; San Francisco CA USA
3. Department of Urology; Northwestern University School of Medicine; Chicago IL USA
4. Department of Obstetrics, Gynecology, and Reproductive Sciences; University of California, San Francisco; San Francisco CA USA
5. Philip R. Lee Institute for Health Policy Studies; University of California, San Francisco; San Francisco CA USA