[1] Shahid Beheshti Univ Med Sci, Safety Promot & Injury Prevent Res Ctr, Tehran, Iran
[2] Shahid Beheshti Univ Med Sci, Emam Hossein Hosp, Emergency Dept, Tehran, Iran
[3] Babol Univ Med Sci, Community Med, Mazandaran, Iran
[4] Qom Univ Med Sci & Hlth Serv, Emergency Dept, Qom, Iran