1. Department of Paediatric Nursing, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2. Department of Radiotherapy and Oncology, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Medical-Surgical Nursing, Paediatric Congenital Hematologic Disorders Research Center, Research Institute for Children’s Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4. Cancer Research Center, Department of Paediatric Nursing, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5. Department of Medical-Surgical nursing, Nursing and Midwifery School, Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran,