1. Institute of Clinical Trials and Methodology, University College London, London, UK
2. Analytical Support Unit, European Association for Cardio-Thoracic Surgery, Windsor, UK
3. Department of Cardiothoracic Surgery, Erasmus University Medical Center, Rotterdam, Netherlands
4. Department of Cardiology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
5. Department of Cardiac Surgery, University of Toronto, Toronto, ON, Canada
6. Department of Cardiothoracic Surgery, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
7. Secretary General, European Association for Cardio-Thoracic Surgery, Windsor, UK