[1] Hunan Normal Univ, Hunan Prov Peoples Hospital: 1, Dept Hepatobiliary Dis, Affiliated Hosp, Changsha, Hunan, Peoples R China
[2] Hunan Normal Univ, Hunan Prov Peoples Hospital: 1, Dept Nursing, Affiliated Hosp, Changsha, Hunan, Peoples R China
[3] Yale Sch Med, Dept Psychiat, Div Prevent & Community Res, New Haven, CT USA
[4] Cent South Univ, Xiangya Sch Nursing, Dept Clin Nursing, Changsha, Hunan, Peoples R China