Zhang, Chunwei
Zhang, Yichi
Feng, Zhenning
Zhang, Feifei
Liu, Zishuai
Sun, Xiaoli
Ruan, Mengting
Liu, Mingna
Jin, Shizhu
Funding for this research was provided by:
Department of Education, Heilongjiang Province (201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293, 201510226057, 2013052, 12531293)
National Natural Science Foundation of China (81370557, 81370557, 81370557, 81370557, 81370557, 81370557, 81370557, 81370557)
Article History
Received: 29 January 2018
Revised: 9 May 2018
Accepted: 22 May 2018
First Online: 3 July 2018
Conflict of interest
: The authors declare that they have no conflict of interest.