Song, Xiaoping https://orcid.org/0000-0002-5838-1219
Shao, Changsheng
Guo, Yugang
Wang, Yajie
Cai, Jingjing
Funding for this research was provided by:
Natural Science Foundation of Anhui Province (1808085MC86)
the Education Science Foundation of Anhui Province (KJ2016A378)
the Education Science Foundation of Anhui Province (KJ2017A695)
Anhui Department of Education (KJ2015B02)
Article History
Received: 6 October 2018
Accepted: 5 July 2019
First Online: 30 July 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.