1. Department of Midwifery, Faculty of Nursing and Midwifery, Bushehr University of Medical Sciences, Bushehr, Iran, Midwifery
2. Department of Nursing, Faculty of Nursing and Midwifery, Bushehr University of Medical Sciences, Bushehr, Iran
3. The Persian Gulf Tropical and Infectious Diseases Research Center, Bushehr University of Medical Sciences, Bushehr, Iran