Zheng, Ling
Yu, Yunhui
Tian, Xiaoyu
He, Li
Shan, Xiaobing
Niu, Jingping
Yan, Jun
Funding for this research was provided by:
the Gansu Province Young Doctoral Fund Project (Grant number: 2021QB-005)
the National Natural Science Foundation of China (Grant number: 81872578)
the Fundamental Research Funds for the Central Universities, Lanzhou University, China (Grant number: lzujbky-2021-ey07)
the scientific research project of Lanzhou City (Grant number: 2022-RC-42)
Article History
Received: 12 December 2022
Accepted: 4 April 2023
First Online: 22 April 2023
Declarations
:
: This study was approved by the Ethics Committee of the School of Public Health, Lanzhou University (Ethical code: IRB18022701), in accordance with <i>the Declaration of Helsinki</i>.
: Informed consent was obtained from all individual participants included in the study. The informed consent was written.
: Not applicable.
: The authors declare that they have no competing interests.