Ma, Shixin
Li, Zongqi
Wang, Lunqing
Article History
Received: 25 February 2024
Accepted: 1 June 2024
First Online: 14 June 2024
Declarations
:
: This study was reviewed and approved by Institutional Review Board of Qingdao Municipal Hospital, which waived the informed consent requirement due to the retrospective design of the study. This study complied with the Declaration of Helsinki.
: We confirm that the manuscript has been read and approved by all named authors, and that there are no other persons who satisfied the criteria for authorship but are not listed. We also confirm that the order of the authors listed in the manuscript has been approved by all of us.
: The authors declare no competing interests.