1. Department of Pediatric Hematologic Oncology Nursing, West China Second University Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China
2. Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu 610041, Sichuan, China
3. West China School of Nursing, Sichuan University, Chengdu 610041, Sichuan, China
4. Department of Pediatric Hematologic Oncology, West China Second University Hospital, Sichuan University, Chengdu 610041, Sichuan, China