Li, Jiayan
Gao, Tingting
Zhao, Dan
Chai, Shujun
Luo, Jingjing
Wang, Xuehong
Wang, Xueqing
Sun, Jingjie
Li, Peilong
Zhou, Chengchao
Funding for this research was provided by:
National Natural Science Foundation of China (72274109)
Article History
Received: 9 September 2023
Accepted: 12 November 2023
First Online: 11 March 2024
Declarations
:
: This study protoco was approved and organized by Health Commission of Shandong Province. This study was reviewed and approved by the Institutional Review Board (Academic Research Ethics Committee) of Shandong University School of Public Health. All procedures were in accordance with the ethical standards of the Helsinki Declaration. Written informed consents clarifying the study purposes were obtained from each participant.
: Not applicable.
: The authors declare no competing interests.