Yang, Guifang
Chai, Xiangping
Ding, Ning
Yang, Donghua
Ding, Qiong
Funding for this research was provided by:
Natural Science Foundation of Hunan Province (2021JJ30924, 2021JJ30924)
Key Research and Development Program of Hunan Province (2019SK2022, 2019SK2022)
Key Project of Hunan provincial science and technology innovation (2020SK1014-2, 2020SK1014-2)
Hunan Health and Family Planning Commission Project (202214022584)
Article History
Received: 13 February 2022
Accepted: 14 July 2022
First Online: 19 July 2022
Competing interests
: The authors declare no competing interests.