[1] Univ Tehran Med Sci, Sch Nursing & Midwifery, Tehran, Iran
[2] Islamic Azad Univ, Sch Nursing & Midwifery, Pishva Branch, Tehran, Iran
[3] Urmia Univ Med Sci, Reprod Hlth Res Ctr, Clin Res Inst, Orumiyeh, Iran
[4] Acad Ctr Educ Culture & Res, Hlth Metr Res Ctr, Inst Hlth Sci Res, Tehran, Iran
[5] Islamic Azad Univ, Dept Nursing & Midwifery, Varamin Pishva Branch, Tehran, Iran