[1] Sichuan Univ, West China Sch Nursing, 37 Guoxue Alley, Chengdu 610041, Sichuan, Peoples R China
[2] Chengdu Med Coll, Sch Nursing, Chengdu, Peoples R China
[3] Sichuan Univ, West China Hosp, Liver Transplant Ctr, Chengdu, Peoples R China
[4] Chengdu Univ Tradit Chinese Med, Sch Nursing, Chengdu, Peoples R China
[5] Sichuan Univ, West China Hosp, Nursing Dept, Chengdu, Peoples R China