title: The authors respond.
authors: Andreas
authors: A
authors: Kramer
authors: Christian
authors: C
authors: Dettmers
authors: Department of Sports Science, University of Konstanz, Konstanz, Germany.
authors: Markus
authors: M
authors: Gruber
mesh_terms: D005081:Exercise Therapy / Q000379:methods*; D005260:Female; D005684:Gait / Q000502:physiology*; D006801:Humans; D008297:Male; D009103:Multiple Sclerosis / Q000534:rehabilitation*; D010349:Patient Compliance; D004856:Postural Balance / Q000502:physiology*; D018910:Video Games