title: Invited commentary.
authors.affiliation: Pediatric Cardiothoracic Surgery, University of Iowa Carver School of Medicine, 200 Hawkins Dr, Iowa City, IA52242. Electronic address: peter-gruber@uiowa.edu.
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Gruber
mesh_terms: D001013:Aorta, Thoracic / Q000601:surgery*; D001017:Aortic Coarctation / Q000601:surgery*; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000601:surgery*; D006801:Humans; D008297:Male; D058327:Norwood Procedures / Q000379:methods*; D014694:Ventricular Outflow Obstruction / Q000601:surgery*