1. Department of Medical-Surgical Nursing, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran
2. Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
3. 5. Department of Internal Medicine, Sina Educational, Research and Treatment Center, faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
4. Faculty of Health, University of Technology Sydney, Sydney, Australia