Ye, Yuanhua
Li, Jing
Liu, Shiguo
Zhao, Yang
Wang, Yanhua
Chu, Yijing
Peng, Wei
Lu, Caixia
Liu, Chong
Zhou, Jun
Funding for this research was provided by:
the Natural Science Foundation of Shandong Province (ZR2019MH127, ZR2019MH127)
Article History
Received: 19 June 2022
Accepted: 26 April 2023
First Online: 10 May 2023
Declarations
:
: All methods were performed in accordance with the relevant guidelines and regulations. This study was approved by the local ethics committee of the Affiliated Hospital of Qingdao University (protocol number: QYFY WZLL 25523 on April 19, 2015), which waived the need for written informed consent given the retrospective nature of the study and the use of anonymized data from hospital records.
: Not applicable.
: The authors report no conflict of interest.