1. Department of Obstetrics and Gynecology, Nekouei-Hedayati-Forghani Hospital, Qom University of Medical Sciences, Qom, Iran
2. Department of Nursing, Clinical Research Development Unit, Nekouei-Hedayati-Forghani Hospital, Qom University of Medical Sciences, Qom, Iran
3. Research Student Committee, Qom University of Medical Sciences, Qom, Iran