Ryu, Byung-Han
Hong, Jeongmin
Jung, Jiwon
Kim, Min Jae
Sung, Heungsup
Kim, Mi-Na
Chong, Yong Pil
Kim, Sung-Han
Lee, Sang-Oh
Kim, Yang Soo
Woo, Jun Hee
Choi, Sang-Ho
Article History
Received: 20 March 2019
Accepted: 28 May 2019
First Online: 26 June 2019
Compliance with ethical standards
: This study was approved by the Asan Medical Center Institutional Review Board.
: The authors declare that they have no competing interests.