[1] Mashhad Univ Med Sci, Sch Nursing & Midwifery, Med Surg Nursing Dept, Mashhad, Iran
[2] Mashhad Univ Med Sci, Nursing & Midwifery Care Res Ctr, Mashhad, Iran
[3] Mashhad Univ Med Sci, Sch Nursing & Midwifery, Dept Community Hlth & Psychiat Nursing, Mashhad, Iran
[4] Shahid Beheshti Univ Med Sci, Sch Nursing & Midwifery, Tehran, Iran