Lee, Jeong-Yong
Byun, Young-Hoon
Park, Jun-Sung
Lee, Jong Seung
Ryu, Jeong-Min
Choi, Seung Jun https://orcid.org/0000-0002-4878-0929
Article History
Received: 20 December 2019
Accepted: 20 April 2020
First Online: 24 April 2020
Ethics approval and consent to participate
: The institutional review board of Asan Medical Center approved this study and waived the requirement for informed consent (study number: 2020–0021).
: Not applicable.
: The authors declare that they have no competing interests.