1. Faculty of Medicine Science, Neyshabur University of Medical Sciences, Neyshabur, Iran
2. Florence Nightingale Faculty of Nursing, Istanbul University-Cerrahpasa, Istanbul, Turkey
3. Faculty of Nursing and Midwifery, Iran University of Medical Sciences, Tehran, Iran
4. Geriatic Nursing, Students Research Committee, Golestan University of Medical Sciences, Gorgan, Iran
5. Nursing Research Center, Golestan University of Medical Sciences, Gorgan, Iran
6. Department of Midwifery and Reproductive Health, Faculty of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran