[1] Shahid Beheshti Univ Med Sci, Sch Nursing & Midwifery, Dept Community Hlth Nursing, Community Hlth Nursing,Student Res Comm, Tehran, Iran
[2] Shahid Beheshti Univ Med Sci, Sch Nursing & Midwifery, Dept Community Hlth Nursing, Tehran, Iran
[3] Iran Univ Med Sci, Sch Nursing & Midwifery, Dept Med Surg Nursing, Med Surg Nursing,Student Res Comm, Tehran, Iran
[4] Shahid Beheshti Univ Med Sci, Biostat Dept, Sch Nursing & Midwifery, Tehran, Iran