title: Response.
authors.forename: Gregory D
authors.initials: GD
authors.lastname: Myer
authors.forename: David
authors.initials: D
authors.lastname: Smith
authors.forename: Kim D Barber
authors.initials: KD
authors.lastname: Foss
authors.forename: Christopher A
authors.initials: CA
authors.lastname: DiCesare
authors.forename: Adam W
authors.initials: AW
authors.lastname: Kiefer
authors.forename: Adam M
authors.initials: AM
authors.lastname: Kushner
authors.forename: Staci M
authors.initials: SM
authors.lastname: Thomas
authors.forename: Heidi
authors.initials: H
authors.lastname: Sucharew
authors.forename: Jane C
authors.initials: JC
authors.lastname: Khoury
mesh_terms: D000531:Altitude; D001924:Brain Concussion / Q000453:epidemiology*; D005538:Football / Q000293:injuries*; D006801:Humans; D008297:Male