[1] Chongqing Med & Pharmaceut Coll, Fac Nursing, Dept Nursing, Chongqing, Peoples R China
[2] Army Med Univ, Affiliated Hosp 2, Dept Gen Surg, Chongqing, Peoples R China
[3] Chongqing Tradit Chinese Med Hosp, Dept Encephalopathy, Chongqing, Peoples R China
[4] Chongqing Med & Pharmaceut Coll, Sch Nursing, Chongqing, Peoples R China