Affiliation: | 1. Department of Nursing, Faculty of Nursing &2. Midwifery, Arak University of Medical Sciences, Arak, Iran;3. Students Research Committee, Arak University of Medical Sciences, Arak, Iran;4. Department of Internal Medicine, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran;5. Department of Surgery, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran;6. Department of Biostatistics &7. Epidemiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran |