1. Department of Cardiology, Isala Clinics, Dokter van Heesweg 2, 8025 AB Zwolle, Netherlands
2. Department of Clinical Epidemiology, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, P.O. Box 85500, 3508 GA Utrecht, Netherlands
3. Cardiothoracic Surgery, Isala Clinics, Dokter van Heesweg 2, 8025 AB Zwolle, Netherlands
4. Department of Cardiothoracic Surgery, Koningsplein 1, 7512 KZ Enschede, Netherlands
5. Anaesthesiology and Intensive Care, Isala Clinics, Dokter van Heesweg 2, 8025 AB Zwolle, Netherlands