Park, Jae Hui http://orcid.org/0000-0002-2765-5096
Choi, Hee Joung http://orcid.org/0000-0002-7119-4194
Article History
Received: 25 October 2020
Revised: 19 January 2021
Accepted: 25 January 2021
First Online: 1 February 2021
Declarations
:
: This study is a retrospective and observational study and does not contain any studies with human participants or animals. This study was approved by the institutional review board of the Keimyung University Dongsan Medical Center (approval number: 2019-07-019).
: Not applicable.
: Not applicable.
: The authors declare no competing interests.