[1] Guilin Univ Technol, Res Ctr Modern Enterprise Management, Guilin, Peoples R China
[2] Guilin Univ Technol, Business Sch, Guilin, Peoples R China
[3] Guilin Univ Technol, Finance Dept, Guilin, Peoples R China
[4] Shanghai Univ Med & Hlth Sci, Shanghai, Peoples R China