1. Department of Critical Care Nursing, Nursing and Midwifery Care Research Center, School of Nursing & Midwifery, Tehran University of Medical Sciences, Tehran, Iran
2. Department of Nursing Management, Nursing and Midwifery Care Research Center, School of Nursing & Midwifery, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Critical Care Nursing, Nursing and Midwifery Care Research Center, Spiritual Health Group, Research Center of Quran, Hadith and Medicine, School of Nursing & Midwifery, Tehran University of Medical Sciences, Tehran, Iran
4. Department of Critical Care Medicine, Imam Khomeini hospital complex, Tehran University of Medical Sciences, Tehran, Iran
5. Department of Critical Care Nursing, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran