1. Adult Critical Care Nursing Department, Nursing and Midwifery Faculty, Tehran University of Medical Sciences, Tehran, Iran
2. Associated Professor in Critical Care Nursing Department, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
3. Medical Surgical Nursing Department, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
4. Cardiologist, Cardiology Department, Milad Hospital, Tehran, Iran
5. Biostatiscs Department, Management Faculty, Iran University of Medical Sciences, Tehran, Iran