[Guo, Tiantian] Wuhan Polytech Univ, Key Res Inst Humanities & Social Sci Hubei Prov, Food Safety Res Ctr, Wuhan 430048, Peoples R China.
[Guo, Tiantian] Wuhan Polytech Univ, Sch Management, Wuhan 430048, Peoples R China.
[Chen, Hailin] Guangdong Univ Foreign Studies, Sch Econ & Trade, Guangzhou 510006, Peoples R China.
[Zhou, Xiao] Wuhan Polytech Univ, Sch Management, Wuhan 430040, Hubei, Peoples R China.
[Ai, Shanru] Huazhong Agr Univ, Sch Econ & Management, Wuhan 430070, Peoples R China.