title: Invited commentary.
authors.affiliation: Children's Healthcare of Atlanta, Emory University School of Medicine, 1405 Clifton Rd NE, Atlanta, GA 30322, USA. osterm@kidsheart.com
authors.forename: Matthew E
authors.initials: ME
authors.lastname: Oster
mesh_terms: D019985:Benchmarking / Q000379:methods*; D006348:Cardiac Surgical Procedures / Q000706:statistics & numerical data*; D005260:Female; D063005:Health Information Systems; D006330:Heart Defects, Congenital / Q000601:surgery*; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D017063:Outcome Assessment, Health Care / Q000379:methods*; D012042:Registries