title: Response.
authors.affiliation: Department of Family Medicine and Community Health University of Minnesota Minneapolis, MN Sanford Sports Science Institute Sanford Health Sioux Falls, SD Youth Sports of the Americas Birmingham, AL.
authors.forename: William O
authors.initials: WO
authors.lastname: Roberts
authors.forename: Jason C
authors.initials: JC
authors.lastname: Dorman
authors.forename: Michael F
authors.initials: MF
authors.lastname: Bergeron