[Zhang, Youhua; Wang, Ping] Anhui Agr Univ, Sch Informat & Comp, Hefei 230036, Anhui, Peoples R China.
[Wang, Songbo] Hunan Agr Univ, Coll Plant Protect, Changsha 410000, Hunan, Peoples R China.
[Chen, Yong] State Tobacco Monopoly Adm, Sci & Technol Dept, Beijing 100045, Peoples R China.
[Xu, Xiaomin] UCSD, Dept Math, 9500 Gilman Dr, La Jolla, CA 92093 USA.
[Guang, Xuanmin] Zhejiang Univ, Coll Life Sci, Key Lab Conservat Biol Endangered Wildlife, Minist Educ, Hangzhou 310058, Zhejiang, Peoples R China.