1. From the Department of Cardiology, Oslo University Hospital, Rikshospitalet, Norway (G.E., H.S.); Department of Informatics, University of Oslo, Norway (K.L.); Department of Thoracic Surgery, Oslo University Hospital, Rikshospitalet, Norway (E.S., S.B., K.J.S., T.N.H., J.L.S., H.L.L.); and Department of Pediatric Cardiology, Oslo University Hospital, Rikshospitalet, Norway (G.D., E.T.).