Jeong, Seonjeong
Kwon, Hyunwook
Chang, Jai Won
Han, Youngjin
Kwon, Tae-Won
Cho, Yong-Pil http://orcid.org/0000-0002-0639-451X
Article History
Received: 10 April 2020
Accepted: 20 July 2020
First Online: 23 July 2020
Ethics approval and consent to participate
: The research was approved by the Institutional Review Board of Asan Medical Center (IRB No. 2019–0004), which waived the need for informed consent.
: Not applicable.
: The authors declare they have no competing interests.