title: Introduction.
authors.affiliation: Division of Cardiovascular Surgery, Mayo Clinic, Rochester, MN.
authors.forename: Joseph A
authors.initials: JA
authors.lastname: Dearani
mesh_terms: D006348:Cardiac Surgical Procedures; D002648:Child; D002983:Clinical Competence; D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans