Affiliation: | ? Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands;† Department of Cardiothoracic Surgery, Leiden University Medical Center, Leiden, the Netherlands;‡ Department of Cardiothoracic Surgery, Amsterdam Medical Center, Amsterdam, the Netherlands;§ Department of Cardiology, Amsterdam Medical Center, Amsterdam, the Netherlands;∥ Department of Cardiology, University Medical Center Utrecht, Utrecht, the Netherlands |