title: Invited commentary.
authors.affiliation: Children's Healthcare of Atlanta, 1405 Clifton Rd NE, Atlanta, GA 30322, USA. mahlew@kidsheart.com
authors.forename: William T
authors.initials: WT
authors.lastname: Mahle
mesh_terms: D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000235:genetics* / Q000601:surgery*; D006801:Humans; D008297:Male; D018633:Pulmonary Atresia / Q000235:genetics* / Q000601:surgery*