Lee, Jaegeun
Yang, Seung Woo
Jin, Long
Lee, Chung Lyul
Lee, Ji Yong
Shin, Ju Hyun
Lim, Jae Sung
Song, Ki Hak http://orcid.org/0000-0002-6168-3664
Funding for this research was provided by:
Chungnam National University
Article History
Received: 2 November 2020
Accepted: 19 April 2021
First Online: 28 April 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Institutional Review Board of the Chungnam National University Hospital (No. CNUH 2018–12-055). For this type of retrospective study, formal consent is not required.
: Not applicable.
: The authors declare that they have no competing interests.