[1] Kermanshah Univ Med Sci, Sch Med, Dept Pediat, Kermanshah, Iran
[2] Kermanshah Univ Med Sci, Res Inst Hlth, Subst Abuse Prevent Res Ctr, Kermanshah, Iran
[3] Kermanshah Univ Med Sci, Sch Allied Med Sci, Anesthesia Dept, Kermanshah, Iran
[4] Zanjan Univ Med Sci, Sch Nursing & Midwifery, Dept Crit Care Nursing, Zanjan, Iran