Wang, Bing
Sun, Yong-Chang
Sun, Run-Cang
Funding for this research was provided by:
Fundamental Research Funds for the Central Universities, Beijing Forestry University (2017-17)
National Science Foundation of China (41702367)
National Science Foundation of China for a Key Project (31430092)
National Key R&D Program of China (2017YFB0307903)
Chang’an University (300102299203)
Article History
Received: 24 January 2019
Accepted: 19 June 2019
First Online: 29 July 2019
Competing interests
: The authors declare that they have no competing interests.