Wang, Bao-Yu
Song, Ke
Wang, Hai-Tao
Wang, Shan-Shan
Wang, Wen-Jing
Li, Zhen-Wei
Du, Wan-Yu
Xue, Fu-Zhong
Zhao, Lin
Cao, Wu-Chun
Funding for this research was provided by:
the Natural Science Foundation of China (82103897, 81621005)
the Natural Science Foundation of Shandong Province, China (ZR2020QH299)
the Cheeloo Young Scholar Program of Shandong University
Article History
Received: 8 May 2023
Accepted: 14 December 2023
First Online: 11 January 2024
Declarations
:
: The authors declare no competing interests.
: This study complied with the Declaration of Helsinki. The study was approved by the Ethics Committee of the School of Public Health, Shandong University. The need for written informed consent was waived by the Ethics Committee of the School of Public Health, Shandong University, due to retrospective nature of the study. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.