Kim, Bum Sung
Kwon, Chang Hee
Chang, Haseong
Choi, Ji-Hoon
Kim, Hyun-Joong
Kim, Sung Hea
Article History
Received: 25 February 2023
Accepted: 14 May 2023
First Online: 24 May 2023
Declarations
:
: This observational study had no influence on patient treatment due to its retrospective design, and therapies were always provided at the discretion of the attending physicians. The investigation conforms with the principles outlined in theĀ <i>Declaration of Helsinki. T</i>he Institutional Review Board of Kon-Kuk Medical Center approved the study protocol (KUH1010848) and waived the requirement for informed consent.
: Not applicable.
: The authors declare no competing interests.