[Wu, Xiaolian; Shi, Chunhong] XiangNan Univ, Sch Nursing, Chenzhou, Peoples R China.
[Xu, Yi] Hunan Childrens Hosp, Nursing Dept, Changsha, Peoples R China.
[Chen, Yang] Peoples Hosp Bishan Dist Chongqing City, Nursing Dept, Chongqing, Peoples R China.
[Yu, Qian; Zhang, Yinhua; Pu, Haixu] Hunan Univ Chinese Med, Sch Nursing, Changsha, Peoples R China.
[Zhang, Yinhua] Sch Nursing, 300 Xueshi Rd,Hanpu Sci & Educ Pk, Changsha 410208, Hunan, Peoples R China.