Deng, Hongli
Zhang, Lei
Wang, Lituan
Funding for this research was provided by:
Fok Ying Tung Education Foundation (151068)
National Natural Science Foundation of China (61332002)
Foundation for Youth Science and Technology Innovation Research Team of Sichuan Province (2016TD0018)
Article History
Received: 11 December 2016
Accepted: 13 June 2017
First Online: 21 June 2017
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest to this work.