Funding for this research was provided by:
International S&T Cooperation Program of China (2015DFG92750)
National Natural Science Foundation of China (51478172, 51508538, 51278464, 51521006)
Natural Science Foundation of Zhejiang Province of China (LY17E080002)
Department of Science and Technology of Hunan Province of China (2017JJ2029, 2017SK2362)
Article History
Received: 8 August 2018
Revised: 14 November 2018
Accepted: 28 November 2018
First Online: 5 December 2018
Compliance with ethical standards
:
: There are no conflicts to declare.