[1] Neyshabur Univ Med Sci, Sch Nursing & Midwifery, Dept Midwifery, Neyshabur, Iran
[2] Mashhad Univ Med Sci, Nursing & Midwifery Care Res Ctr, Mashhad, Razavi Khorasan, Iran
[3] Mashhad Univ Med Sci, Social Determinants Hlth Res Ctr, Mashhad, Razavi Khorasan, Iran
[4] Mashhad Univ Med Sci, Sch Nursing & Midwifery, Dept Midwifery, Mashhad, Razavi Khorasan, Iran