1 Department of Cardiology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands.
2 Clinic for Thoracic- and Cardiovascular Surgery, Heart and Diabetes Center Northrhine Westfalia, Ruhr-University Bochum, Bad Oeynhausen, Germany.
3 Department of Cardiothoracic Surgery, University Medical Centre Utrecht, University of Utrecht, Utrecht, The Netherlands.
4 Department of Methodology and Statistics, Utrecht University, Utrecht, The Netherlands.
5 Department of Cardiac Surgery, Medical University of Vienna, Vienna, Austria.
6 Faculty of Population Health Sciences, Institute of Cardiovascular Science, University College London, London, UK.
7 Health Data Research UK and Institute of Health Informatics, University College London, London, UK.
8 Department of Cardiology, Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.