Wang, Longwei
Li, Yamei
Li, Yumei
Funding for this research was provided by:
Shandong Provincial Natural Science Joint Found With Universities and Scientific Research Institution (ZR2018LC001)
Health and Family Planning Commission of Shandong Province (2016GSF121018)
Article History
Received: 18 August 2018
Accepted: 20 October 2018
First Online: 25 October 2018
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interest.
: LW and YL conducted the experiments. YL contributed to experimental expenditure and writing.