Funding for this research was provided by:
NSFC Key Projects of International (Regional) Cooperation and Exchanges (61860206004)
National Natural Science Foundation of China (61602001, 61872005)
National Natural Science Foundation of China (61671018)
Natural Science Foundation of Anhui Province (1708085QF139)
Natural Science Foundation of Anhui Higher Education Institutions of China (KJ2016A020)
Article History
Received: 7 August 2018
Accepted: 21 May 2019
First Online: 1 June 2019