1 Department of Midwifery, School of Nursing and Midwifery, Community Based Psychiatric Care Research Center, Shiraz, Iran.
2 Department of Midwifery, School of Nursing and Midwifery, Maternal-Fetal Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
3 Department of Biostatistics, School of Medicine, University of Medical Sciences, Shiraz, Iran.