Leng, Yuan
Shi, Yonggang
Yu, Qiaowen
Van Horn, John Darrell
Tang, Haiyan
Li, Junning
Xu, Wenjian
Ge, Xinting
Tang, Yuchun
Han, Yan
Zhang, Dong
Xiao, Min
Zhang, Huaqiang
Pang, Zengchang
Toga, Arthur W.
Liu, Shuwei
Article History
Received: 30 January 2016
Accepted: 18 August 2016
First Online: 6 September 2016
Competing interests
: The authors declare no competing financial interests.