[Sun, Xiangchen] Cent China Normal Univ, Sch Econ & Business Adm, Wuhan, Hubei, Peoples R China.^[Zhang, Hong] Henan Inst Technol, Dept Social Sci, Xinxiang, Henan, Peoples R China.^[Chen, Zhihong] Cent China Normal Univ, Logist Support Dept, Wuhan, Hubei, Peoples R China.