Park, Jinyoung http://orcid.org/0000-0003-4042-9779
Cho, Yong Eun http://orcid.org/0000-0001-9815-2720
Park, Mina http://orcid.org/0000-0002-2005-7560
Lee, Joowon http://orcid.org/0000-0003-0342-3159
Kim, Dawoon http://orcid.org/0000-0003-4502-8149
Park, Yoon Ghil http://orcid.org/0000-0001-9054-5300
Article History
Received: 11 March 2020
Accepted: 21 August 2020
First Online: 29 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the institutional review board of Gangnam Severance Hospital (3-2019-0108) and conducted in accordance with the Declaration of Helsinki.
: This retrospective cohort study was based on the preexisting medical data review, and did not prospectively include human participants or animals.