Quan, Shaowen
Niu, Jianxin
Zhou, Li
Xu, Hang
Ma, Li
Qin, Yang
Funding for this research was provided by:
National Natural Science Foundation of China (30560090)
Article History
Received: 11 January 2018
Accepted: 3 October 2018
First Online: 23 October 2018
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.