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