Pei, Nancai
Erickson, David L.
Chen, Bufeng
Ge, Xuejun
Mi, Xiangcheng
Swenson, Nathan G.
Zhang, Jin-Long
Jones, Frank A.
Huang, Chun-Lin
Ye, Wanhui
Hao, Zhanqing
Hsieh, Chang-Fu
Lum, Shawn
Bourg, Norman A.
Parker, John D.
Zimmerman, Jess K.
McShea, William J.
Lopez, Ida C.
Sun, I-Fang
Davies, Stuart J.
Ma, Keping
Kress, W. John
Article History
Received: 18 May 2015
Accepted: 17 September 2015
First Online: 12 October 2015
Competing interests
: The authors declare no competing financial interests.