Yang, Chunlan
Lu, Min
Duan, Yanhua
Liu, Bing
Funding for this research was provided by:
Beijing Excellent Talents Project (2011D005015000008)
project grants from Beijing Nova Program (xx2016120)
National Natural Science Foundation of China (81101107)
Natural Science Foundation of Beijing (4162008)
program for top young innovative talents of the Beijing Educational Committee (CIT&TCD201404053)
Beijing Municipal Commission of Education (PXM2017_014204_500012)
Article History
Received: 18 April 2018
Accepted: 15 September 2018
First Online: 26 September 2018