title: Rebuttal from Alicia D'Souza, Sanjay Sharma and Mark R. Boyett.
authors: Institute of Cardiovascular Sciences, University of Manchester, 46 Grafton Street, Manchester, M13 9NT, UK.
authors: Alicia
authors: A
authors: D'Souza
authors: Sanjay
authors: S
authors: Sharma
authors: Mark R
authors: MR
authors: Boyett
mesh_terms: D056352:Athletes; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D010275:Parasympathetic Nervous System / Q000502:physiology*; D010809:Physical Fitness / Q000502:physiology*; D014630:Vagus Nerve / Q000502:physiology*