[1] Univ Tehran Med Sci, NIDCAP Profess, Nursing, Sch Nursing & Midwifery, Tehran, Iran
[2] Univ Tehran Med Sci, Iranian Sci Assoc Med Educ, Sch Nursing & Midwifery, Tehran, Iran
[3] Univ Tehran Med Sci, Paediat & Neonatal Intens Care Paediat & Neonatal, Sch Nursing & Midwifery, Tehran, Iran
[4] Univ Tehran Med Sci, Imam Khomeini Hosp, Palliat Med, Tehran, Iran
[5] Univ Tehran Med Sci, Imam Khomeini Hosp, Radiotherapy Oncol Dept, Sch Med,Canc Inst, Tehran, Iran
[6] Univ Tehran Med Sci, Paediat Crit Care Div, Dept Paediat, Childrens Med Ctr, Tehran, Iran
[7] Univ Tehran Med Sci, Nursing Paediat & Neonatal Intens Care Nursing Ed, Sch Nursing & Midwifery, Tehran, Iran
[8] Univ Tehran Med Sci, Paediat & Neonatal Intens Care Nursing Educ Dept, Sch Nursing & Midwifery, Tehran, Iran