1. Department of Nursing School of Nursing and Midwifery Shahroud University of Medical Sciences Shahroud Iran
2. Student Research Committee School of Nursing and Midwifery Shahroud University of Medical Sciences Shahroud Iran
3. Department of Midwifery Faculty of Nursing and Midwifery Shahroud University of Medical Sciences Shahroud Iran
4. Center for Health Related Social and Behavioral Sciences Research Shahroud University of Medical Sciences Shahroud Iran
5. Nursing Care Research Center Department of Medical Surgical Nursing School of Nursing and Midwifery Iran University of Medical Sciences Tehran Iran
6. University Clinical Center of SerbiaClinic for Gastroenterology and Hepatoligia Belgarade Serbia
7. Medical School of Vocational Studies Medika, Department of Nursing Belgarade Serbia