Kim, Chang Hyun
Lee, Jaram
Lee, Soo Young
Heo, Suk Hee
Jeong, Yong Yeon
Kim, Hyeong Rok http://orcid.org/0000-0003-3747-1415
Article History
Accepted: 4 September 2021
First Online: 25 January 2022
Declarations
:
: The authors declare that they have no conflict of interest.
: Not applicable.
: This study was performed after institutional review board approval (IRB No. CNUHH-2019-231) in the Chonnam National University Hwasun hospital in Republic of Korea. The research meets the ethical guidelines. The study was also conducted according to the Helsinki Declaration Guidelines.
: This study is a retrospective study, and informed consent was waived with approval of institutional review board.