1. Social Development and Health Promotion Research Center, Department of Family and Community Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
2. Department of Obstetrics and Gynecology, Clinical Research Development Center, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran.
3. Department of Physiology, Clinical Research Development Center, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran.
4. Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.