Document Type : Review Article
Authors
1 Associate Professor, Research Center for Environmental Determinants of Health, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
2 Obstetrics and Gynecology, Department of Obstetrics and Gynecology, School of Medicine, Motazedi Hospital Kermanshah University of Medical Sciences, Kermanshah, Iran.
3 School of Medical Sciences, Khomein Faculty of Medical Sciences, Khomein, Iran
4 Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran.