[1] Guilan Univ Med Sci, Zeyinab PBUH Sch Nursing & Midwifery, Dept Midwifery, Rasht, Iran
[2] Tabriz Univ Med Sci, Student Res Comm, Fac Nursing & Midwifery, Midwifery Dept, Tabriz, Iran
[3] Isfahan Univ Med Sci, Fac Nursing & Midwifery, Dept Midwifery, Esfahan, Iran
[4] Tabriz Univ Med Sci, Fac Nursing & Midwifery, Dept Midwifery, Tabriz, Iran