1. Student Research Center, Semnan University of Medical Sciences, Iran
2. Faculty of Nursing and Midwifery, Iranshahr University of Medical Sciences, Iran
3. Department of Biostatistics, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4. Department of Public Health, Policy and Social Sciences, Swansea University, UK
5. Faculty of Nursing and Health Sciences, Nord University, Bodø, Norway