Funding for this research was provided by:
National Nature Science Foundation of China (51572004, 21504001)
Natural Science Foundation of the Higher Education Institutions of Anhui Province, China (KJ2016SD06)
Top-notch Talent Cultivation Plan of Anhui Polytechnic University (2016BJRC002)
Natural Science Fund for Distinguished Young Scholars of Anhui Polytechnic University (2016JQ01)
Article History
Received: 9 February 2019
Accepted: 23 May 2019
First Online: 25 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.