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, 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.