1. Department of Anesthesiology and Critical Care Medicine; Faculty of Medicine; Mazandaran University of Medical Sciences; Sari Iran
2. Student Research Committee; Department of Medical-Surgical Nursing; School of Nursing and Midwifery; Mashhad University of Medical Sciences; Mashhad Iran
3. Department of Nursing; Faculty of Nursing and Midwifery; Mazandaran University of Medical Sciences; Sari Iran
4. Department of Cardiac Surgery; Faculty of Medicine; Mazandaran University of Medical Sciences; Sari Iran
5. Department of Epidemiology; Health Sciences Research Center; Mazandaran University of Medical Sciences; Sari Iran
6. Faculty of Medicine; Mazandaran University of Medical Sciences; Sari Iran