Song, Seung Geun
Kim, Sehui
Koh, Jaemoon
Yim, Jeemin
Han, Bogyeong
Kim, Young A.
Jeon, Yoon Kyung http://orcid.org/0000-0001-8466-9681
Chung, Doo Hyun
Funding for this research was provided by:
National Research Foundation of Korea (2020R1A4A1017515)
National Research Foundation of Korea (2016R1D1A1B01015964)
Article History
Received: 31 August 2020
Accepted: 21 December 2020
First Online: 9 January 2021
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: This study was approved by the Institutional Review Board of SNUH (No. 1404–102-572) and was performed in accordance with the World Medical Association Declaration of Helsinki. The requirement for informed consent was waived because of the retrospective nature of the study.