Yoon, Susie
Park, Jung-bin
Lee, Jaehun
Lee, Hyung-Chul
Bahk, Jae-Hyon
Cho, Youn Joung http://orcid.org/0000-0001-6478-8616
Article History
Received: 7 July 2020
Accepted: 9 December 2020
First Online: 3 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This retrospective cohort study was approved by the Institutional Review Board of Seoul National University Hospital (#1806-164-953; July 02 2018) with a waiver of informed consent.
: This retrospective cohort study was approved with a waiver of informed consent.