Yoon, Hee Mang
Kim, Jung Heon
Lee, Jong Seung
Ryu, Jeong-Min
Kim, Dae Yeon
Lee, Jeong-Yong
Article History
Received: 12 December 2016
Revised: 4 March 2017
Accepted: 5 March 2017
First Online: 5 March 2018
Compliance with ethical standards
:
: This study was approved by Asan Medical Center Institutional Review Board without the need for informed consent.
: No financial or nonfinancial benefits have been received or will be received from any party related directly or indirectly to the subject of this article.