title: Invited commentary.
authors.affiliation: Department of Cardiovascular Surgery, German Heart Center Munich at the Technical University, Lazarettstrasse 36, Munich, D-80636 Germany. hoerer@dhm.mhn.de
authors.forename: Jürgen
authors.initials: J
authors.lastname: Hörer
authors.forename: Christian
authors.initials: C
authors.lastname: Schreiber
mesh_terms: D005080:Exercise Test; D017079:Exercise Tolerance; D006801:Humans; D020127:Recovery of Function; D013771:Tetralogy of Fallot / Q000503:physiopathology / Q000601:surgery*; D016896:Treatment Outcome; D016276:Ventricular Function