Kim, Myong
Ryu, Hoyoung
Lee, Hak Jong
Hwang, Sung Il
Choe, Gheeyoung
Hong, Sung Kyu https://orcid.org/0000-0002-8344-6774
Article History
Received: 2 March 2020
Accepted: 7 July 2020
First Online: 21 July 2020
Compliance with ethical standards
:
: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
: The protocol of this study was approved by the IRB of our institution (Seoul National University Bundang Hospital, Seoul, Republic of Korea, No. B-1706/402-115).
: The IRB waived the requirement for informed consent because there was minimal risk of harm. All patients were anonymized prior to the analysis.