[1] Harbin Med Univ, Sch Hlth Management, Dept Hlth Management, Harbin 150081, Peoples R China
[2] China Med Univ, Sch Publ Hlth, Dept Social Med, Shenyang, Peoples R China
[3] Harbin Med Univ, Dept Adm, Affiliated Hosp 2, Harbin, Peoples R China
[4] Hangzhou Normal Univ, Sch Med, Dept Hlth Management, Hangzhou 311121, Peoples R China
[5] Peking Univ, Sch Publ Hlth, Dept Inspect, Beijing, Peoples R China