Kim, Sang-Min
Ryoo, Seung Mok
Shin, Tae Gun
Park, Yoo Seok
Jo, You Hwan
Lim, Tae Ho
Chung, Sung Phil
Choi, Sung-Hyuk
Suh, Gil Joon
Kim, Won Young http://orcid.org/0000-0001-8642-6552
,
Article History
Received: 7 May 2021
Accepted: 8 September 2021
First Online: 3 October 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: The institutional review board of each institution approved the study protocol, and informed consent was obtained from the patients before data collection (Asan Medical Center Institutional Review Board No. 2015-1283). All procedures performed in this study were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.