1. Department of Cardiothoracic Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands (J.R.G.E., P.G., S.A.H., B.P., G.P., A.J.J.C.B., M.M.M., J.J.M.T.)
2. Erasmus School of Health Policy & Management, ErasmusUniversity Rotterdam, The Netherlands (S.A.H.).
3. Department of Biostatistics, Erasmus University Medical Center, Rotterdam, The Netherlands (G.P.)
4. Division of Cardiology, Department of Pediatrics, Erasmus University Medical Center, Sophia Children’s Hospital, Rotterdam, The Netherlands (W.A.H.).
5. Department of Cardiology, Erasmus University Medical Center, Rotterdam, The Netherlands (J.W.R.-H.)