[1] Shenzhen Univ, Affiliated Hosp 1, Peoples Hosp Shenzhen 2, Dept Pediat, Shenzhen, Peoples R China
[2] Shenzhen Univ, Affiliated Hosp 1, Peoples Hosp Shenzhen 2, Dept Nursing, Shenzhen, Peoples R China
[3] Cent S Univ, Xiangya Hosp 3, Dept Surg, Changsha, Hunan, Peoples R China
[4] Guangzhou Med Univ, Affiliated Hosp 3, Dept Nursing, Guangzhou 510150, Guangdong, Peoples R China