[Ding, Xiang; Wang, Li; Latour, Jos M.; Zhu, Li-hui] Hunan Childrens Hosp, Dept Nursing, Ziyuan Rd, Changsha 41007, Hunan, Peoples R China.
[Sun, Jing; Li, Dong-ya] Hunan Univ Chinese Med, Sch Nursing, Changsha, Peoples R China.
[Zheng, Bing-ya] Changsha Med Univ, Imaging Fac, Changsha, Peoples R China.
[He, Shi-wen] Cent South Univ, Xiangya Hosp 3, Dept Nursing, Changsha, Peoples R China.
[Latour, Jos M.] Univ Plymouth, Sch Nursing & Midwifery, Fac Hlth & Human Sci, Plymouth, Devon, England.