[1] Ningbo Univ, Affiliated Hosp 1, Nursing Dept, Ningbo, Zhejiang, Peoples R China
[2] Zhejiang Univ, Sir Run Run Shaw Hosp, Sch Med, Nursing Dept, Hangzhou, Zhejiang, Peoples R China
[3] Zhejiang Univ, Inst Nursing Res, Sch Med, Hangzhou, Zhejiang, Peoples R China
[4] Guizhou Prov Peoples Hosp, Nursing Dept, Guiyang, Guizhou, Peoples R China