Li, Lan-Hua
Wang, Jia-Zhi
Zhu, Dan
Li, Xi-Shang
Lu, Yan
Yin, Shou-Qin
Li, Sheng-Guo
Zhang, Yi
Zhou, Xiao-Nong
Funding for this research was provided by:
Special Fund for Basic Resources in Science and Technology (2017FY101203)
National Key Research and Development Program of China (2016YFC1200500 and 2016YFC1202001)
the fourth round of Three-Year Public Health Action Plan (GWIV-29)
Natural Science Foundation of Shandong Province (ZR2019MH093)
National Natural Science Foundation of China (81902095)
Article History
Received: 12 March 2019
Accepted: 5 February 2020
First Online: 14 February 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: No specific permits were required for this study. The study did not involve endangered or protected species. Therefore, the local ethics committee deemed approval unnecessary.