Han, Bing
Du, Guoli
Yang, Yashu
Chen, Jiping
Sun, Guoxiao
Funding for this research was provided by:
Social Science Fund of Shandong Province, China (No. 18DTYJ02)
Article History
Received: 5 October 2022
Accepted: 20 December 2022
First Online: 5 January 2023
Declarations
:
: Ethics approval was obtained from the Ethics Committee of School of Public health, Shandong University, China (No. 20190912). All methods comply with the current guidelines and regulations which follow the Declaration of Helsinki. Participants were informed that participation in the study was voluntary and that completing the questionnaire via online platform indicated their informed consent to participate this study, and this type of informed consent was approved by the Ethics Committee of School of Public health, Shandong University, China (No. 20190912).
: Not applicable.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.