1. Department of Pediatrics and Neonatal Intensive Care Nursing, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran,
2. Neonatal Intensive Care Nursing, Tehran University of Medical Sciences, Tehran, Iran,
3. Center for Nursing Care Research, Iran University of Medical Sciences, Tehran, Iran,
4. Department of Intensive Care, School of Nursing and Midwifery, Arak University of Medical Sciences, Arak, Iran, and
5. School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran