Ryu, Hwaseong
Kim, Tae Un
Yoon, Ki Tae
Hong, Young Mi
Article History
Received: 9 June 2023
Accepted: 7 November 2023
First Online: 24 November 2023
Declarations
:
: The authors declare no competing interests.
: The present study was conducted in accordance to the ethical guidelines of the Declaration of Helsinki and was approved by the Institutional Review Boards (IRB) of Pusan National University Yangsan Hospital. Requirement for informed consent was waived after review of IRB of Pusan National University Yangsan Hospital because it was practically impossible and this study was of retrospective design.
: Not applicable for our study.