[1] Shiraz Univ Med Sci, Sch Nursing & Midwifery, Dept Community Hlth Nursing, Shiraz, Iran
[2] Shiraz Univ Med Sci, Sch Nursing & Midwifery, Dept Midwifery, Shiraz, Iran
[3] Shiraz Univ Med Sci, Sch Nursing & Midwifery, Maternal Fetal Med Res Ctr, Dept Midwifery, Shiraz, Iran