Wang, Xiang
Liu, Qiling
Kong, Deqin
Long, Zi
Guo, YuFang
Wang, Shuang
Liu, Rui
Hai, Chunxu
Funding for this research was provided by:
Shaanxi Provincial Health and Family Planning Commission Scientific Research Fund (2016D018)
National Natural Sciences Foundation of China (81473010)
Shaanxi Province Key Research and Development Project fund (2018SF-173)
Article History
Received: 16 February 2020
Accepted: 9 August 2020
First Online: 16 August 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.