Funding for this research was provided by:
Asan Institute for Life Sciences, Asan Medical Center (2016-076)
Basic Science Research Program (NRF-2017R1E1A1A01074298)
Received: 18 June 2020
Accepted: 3 December 2020
First Online: 5 January 2021
Ethics approval and consent to participate
: This study protocol was approved by the Ethics Committee of Asan Medical Center (IRB No. 2019–0545), and this study was conducted in accordance with the Declaration of Helsinki. Because this study is based on the retrospective analysis of existing clinical data, the requirement of obtaining informed patient consent was waived by the Institutional Review Board.
: Not applicable.
: The authors declare no underlying conflicts of interest.