Received: 11 February 2022
Accepted: 24 June 2022
First Online: 18 July 2022
: This study was approved by the Institutional Review Board in our institution (Inje University Busan Paik Hospital; IRB No. 2021-01-025). This study is a systematic review and meta-analysis of the literature and no ethical approval was necessary for this study. No informed consent was necessary for the study.
: Not applicable.
: The authors declare that they have no competing interests.