[1] Univ Elect Sci & Technol China, Sch Med, Chengdu 610072, Peoples R China
[2] Wenzhou Med Univ, Quzhou Affiliated Hosp, Quzhou Peoples Hosp, Dept Nursing, Wenzhou 324000, Zhejiang, Peoples R China
[3] Sichuan Prov Peoples Hosp, Dept Pediat Care Unit, Chengdu 610072, Peoples R China
[4] Sichuan Prov Peoples Hosp, Dept Vasc Surg, Chengdu 610072, Peoples R China
[5] Sichuan Univ, West China Univ Hosp 2, West China Sch Nursing, Dept Pediat Hematol Oncol Nursing,Minist Educ,Key, Chengdu 610041, Peoples R China
[6] Univ Elect Sci & Technol China, Mianyang Cent Hosp, Sch Med, Dept Pediat, Mianyang 621000, Peoples R China
[7] Univ Elect Sci & Technol China, Sichuan Canc Hosp & Inst, Affiliated Canc Hosp, Sichuan Clin Res Ctr Canc,Sichuan Canc Ctr,Dept Pe, Chengdu 610041, Peoples R China
[8] Univ Elect Sci & Technol China, Chengdu Womens & Childrens Cent Hosp, Sch Med, Dept Pediat Oncol, Chengdu 611731, Peoples R China
[9] Univ Elect Sci & Technol China, Sichuan Prov Peoples Hosp, Sch Med, Dept Nursing, Chengdu 610072, Peoples R China