Fatemeh Esmaelzadeh1, Abbas Abbaszadeh2, Fariba Borhani3, Hamid Peyrovi4. 1. Nursing Research Center, Razi Faculty of Nursing and Midwifery, Kerman University of Medical Sciences, Kerman, Iran. 2. School of Nursing and Midwifery, Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 3. Medical Ethics and Law Research Center, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran. 4. Nursing Care Research Center, Department of Critical Care Nursing, School of Nursing and Midwifery, Iran University of Medical Sciences, Tehran, Iran.