Li, Wuguo
Zhang, Qing
Chen, Kaotan
Sima, Zhenhua
Liu, Jingli
Yu, Qiang
Liu, Jiawei https://orcid.org/0000-0003-1789-9430
Funding for this research was provided by:
National Natural Science Foundation of China (81373432)
Department of Education of Guangdong Province (2017KTSCX044)
Article History
Received: 19 July 2018
Accepted: 15 January 2019
First Online: 1 February 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declared that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.