- Correspondence to Dr Benjamin N Breyer, UCSF Department of Urology, Chief of Urology, San Francisco General Hospital, 1001 Potrero Ave, Suite 3a20, San Francisco, CA 94110, USA;
- Received April 19, 2016
- Revised October 6, 2016
- Accepted October 8, 2016
- First published December 5, 2016.
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