[1] Shiraz Univ Med Sci, Student Res Comm, Sch Nursing & Midwifery, Dept Midwifery, Shiraz, Iran
[2] Shiraz Univ Med Sci, Community Based Psychiat Care Res Ctr, Sch Nursing & Midwifery, Dept Midwifery, Shiraz, Iran
[3] Univ Tehran Med Sci, Sch Nursing & Midwifery, Dept Reprod Hlth, Tehran, Iran
[4] Shiraz Univ Med, Maternal Fetal Med Res Ctr, Sch Nursing & Midwifery, Dept Midwifery, Shiraz, Iran
[5] Shiraz Univ Med Sci, Nemazee Hosp, Clin Res Dev Ctr, Shiraz, Iran