He, Wenlong
Shen, Rui
Funding for this research was provided by:
the National Natural Science Foundation of China (No. 71702031)
the National Natural Science Foundation of China (No. 71772038)
the Foundation of Humanities and Social Sciences of the Ministry of Education in China (17YJC630038)
Article History
Received: 7 March 2017
Accepted: 4 October 2017
First Online: 10 October 2017
Compliance with Ethical Standards
:
: Wenlong He has received research grants from the National Natural Science Foundation of China (Nos. 71702031, 71772038). Wenlong He and Rui Shen declare that they have no conflict of interest.