[Zhu, Lihui; Tang, Qian] Hunan Canc Hosp, Nursing Dept, Changsha, Peoples R China.
[Zhang, Dahua] Beijing Univ Chinese Med, Nursing Dept, Affiliated Hosp 3, Beijing, Peoples R China.
[Chen, Jianjun] Chinese Nursing Assoc, Pediat Special Comm, Beijing, Peoples R China.
[Liu, Meihua] Hunan Childrens Hosp, Nursing Dept, Changsha, Peoples R China.
[Xiang, Yuqiong; Luo, Tingwei] Hunan Univ Chinese Med, Sch Nursing, Changsha, Peoples R China.