title: Response to commentary on Guazzi editorial: Test retest repeatability of cardiopulmonary exercise test variables in patients with cardiac or respiratory disease, Barron et al.
authors.affiliation: Heart Failure Unit, IRCCS Policlinico San Donato, University of Milano, Italy.
authors.forename: M
authors.initials: M
authors.lastname: Guazzi
mesh_terms: D005080:Exercise Test; D006333:Heart Failure / Q000175:diagnosis*; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000503:physiopathology*; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*