title: Letters to the editor.
authors.forename: Charles W
authors.initials: CW
authors.lastname: Hoge
mesh_terms: D001924:Brain Concussion / Q000175:diagnosis; D001930:Brain Injuries / Q000150:complications / Q000175:diagnosis*; D003627:Data Interpretation, Statistical; D006801:Humans; D008403:Mass Screening; D008889:Military Personnel; D012107:Research Design; D015599:Trauma Severity Indices