[1] Fudan Univ, Sch Nursing, Shanghai, Peoples R China
[2] Univ Elect Sci & Technol China, Sichuan Prov Peoples Hosp, Chengdu, Sichuan, Peoples R China
[3] Sichuan Univ, Dept Pediat Hematol Oncol Nursing, West China Second Univ Hosp, Key Lab Birth Defects & Related Dis Women & Childr, Chengdu, Sichuan, Peoples R China
[4] Fudan Univ, Children Hosp, Shanghai, Peoples R China
[5] Fudan Univ, Sch Nursing, 305 Fenglin Rd, Shanghai 200032, Peoples R China