[1] Sichuan Univ, Dept Nursing, West China Second Univ Hosp, Chengdu, Peoples R China
[2] Sichuan Univ, Lab Birth Defects & Related Dis Women & Children, Minist Educ, Chengdu, Peoples R China
[3] Chengdu Peoples Hosp 1, Chengdu Integrated TCM Western Med Hosp, Dept Child Rehabil, Chengdu, Sichuan, Peoples R China
[4] Univ Elect Sci & Technol, Chengdu Womens & Childrens Cent Hosp, Sch Med, Chengdu, Sichuan, Peoples R China
[5] Univ Elect Sci & Technol China, Mianyang Cent Hosp, Dept Neurosurg, Mianyang, Sichuan, Peoples R China
[6] Univ Murcia UM, Fac Nursing, Murcia, Spain