Liu, Hebing
Cheng, Zhaohua
Wang, Shuo
Jia, Yong
Funding for this research was provided by:
Health appropriate technology poverty project of Jilin Province (2020FP044)
Article History
Received: 16 October 2021
Accepted: 13 March 2023
First Online: 16 March 2023
Competing interests
: The authors declare no competing interests.