[1] Huazhong Univ Sci & Technol, Tongji Med Coll, Sch Med & Hlth Management, Dept Hlth Management, 13 Hangkong St, Wuhan 430030, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Key Res Inst Humanities & Social Sci Hubei Prov, Wuhan 430030, Hubei, Peoples R China
[3] Huazhong Univ Sci & Technol, Inst Poverty Reduct & Dev, Wuhan 430030, Hubei, Peoples R China