1 Division of Urology, Department of Surgery, Cedars-Sinai Medical Center, 8631 W 3rd Street, Suite E430, Los Angeles, CA, 90048, USA. nadine.friedrich@cshs.org.
2 Division of Urology, Department of Surgery, Cedars- Sinai Medical Center, Section of Urology, Durham VA Medical Center, 8631 W 3rd Street, Suite E430, Los Angeles, CA, 90048, USA.
3 Division of Urology, Department of Surgery, Cedars-Sinai Medical Center, 8631 W 3rd Street, Suite E430, Los Angeles, CA, 90048, USA.