[Zhu, Lihui; Hu, Yaojia] Hunan Childrens Hosp, Nursing Dept, Changsha, Peoples R China.
[Zheng, Bingya] Univ South China, Sch Pediat, Hengyang Med Sch, Hunan Childrens Hosp, Changsha, Peoples R China.
[Tang, Shuo; Lu, Qi] Hunan Childrens Hosp, Med Dept Emergency Off, Changsha, Peoples R China.
[Song, Qingqing] Hunan Childrens Hosp, Dept Cardiol, Changsha, Peoples R China.
[Zhang, Na] Hunan Univ Chinese Med, Sch Nursing, Changsha, Peoples R China.