Kim, Gwan Sic
Kim, Joon Bum
Choo, Suk Jung
Chung, Cheol Hyun
Lee, Jae Won
Jung, Sung-Ho
Article History
Received: 13 January 2019
Accepted: 12 June 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: This study was approved by Asan Medical Center’s institutional review board, with patient consent waived.
: Not applicable.
: The authors declare that they have no competing interests.