Kwak, Nakwon
Kim, Sung A
Choi, Sun Mi
Lee, Jinwoo
Lee, Chang-Hoon
Yim, Jae-Joon
Article History
Received: 25 October 2019
Accepted: 24 April 2020
First Online: 7 May 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the amended Declaration of Helsinki and the Institutional Review Board of Seoul National University Hospital approved the protocol (IRB No. 1809–112-974). All patients provided written consents for the study.
: Not applicable.
: The authors have no conflict of interest to declare.