To the Editor:
Abstract
We made a mistake in our recently published article:
In this article (J Korean Med Sci 2014;29:1550-4.), two author's institution and city were given incorrectly. The correct information should be as follow: Minki Baek,8 8Department of Urology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea, Dong Soo Ryu,7 7Department of Urology, Sungkyunkwan University School of Medicine, Samsung Changwon Hospital, Changwon, Korea.