samad shams vahdati road traffic injury research center, tabriz university of medical sciences, tabriz, iran seyed hossein ojaghi haghighi emergency department, tabriz university of medical sciences, tabriz, iran pooya paknejad emergency department, tabriz university of medical sciences, tabriz, iran roshan fahimi emergency department, tabriz university of medical sciences, tabriz, iran shahrad tajoddini kerman neuroscience research center, kerman university of medical sciences, kerman, iran