

Jae Heon Kim
a,b,
*
Benjamin I. Chung
a
[6_TD$DIFF]
a
Department of Urology, Stanford University Medical Center, Stanford,
CA, USA
b
Department of Urology, Soonchunhyang University Hospital,
Soonchuhyang University Medical College, Seoul, South Korea
*Corresponding author. Department of Urology, Stanford University
Medical Center, Stanford, CA 94304, USA. Tel. +1 650 7987629.
E-mail addresses:
piacekjh@stanford.edu(J.H. Kim),
piacekjh@hanmail.net(J.H. Kim).
May 5, 2017
E U R O P E A N U R O L O G Y 7 2 ( 2 0 1 7 ) e 1 2 7 – e 1 2 8
e128