Shin, Young Duck
Lee, Hyung-Min
Choi, Young Jin
Article History
Received: 14 October 2020
Accepted: 17 March 2021
First Online: 22 March 2021
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki and was approved by the Institutional Review Board of Chungbuk National University Hospital, Republic of Korea (approval number: 201910012). The requirement for informed consent was waived owing to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.