1 Baqiyatallah Research Center for Gastroenterology and Liver Diseases, Baqiyatallah University of Medical Sciences, Tehran, IR Iran.
2 Student Research Committee, Department of Reproductive Health, School of Nursing and Midwifery, Shahroud University of Medical Sciences, Shahroud, IR Iran.
3 Department of Family Health, Ministry of Health and Medical Education, Tehran, IR Iran.