[1] Mashhad Univ Med Sci, Sch Nursing & Midwifery, Dept Med Surg Nursing, Mashhad, Iran
[2] Mashhad Univ Med Sci, Sch Nursing & Midwifery, Dept Nursing Management, Mashhad, Iran
[3] Mashhad Univ Med Sci, Sch Hlth, Dept Biostat & Epidemiol, Mashhad, Iran
[4] Baqiyatallah Univ Med Sci, Sch Nursing, Behav Sci Res Ctr, Tehran, Iran