title: Response.
authors.forename: John
authors.initials: J
authors.lastname: Lloyd
authors.forename: Frank
authors.initials: F
authors.lastname: Conidi
mesh_terms: D000054:Acceleration; D001930:Brain Injuries / Q000503:physiopathology* / Q000517:prevention & control*; D005538:Football / Q000293:injuries*; D006260:Head Protective Devices; D006801:Humans