1. Department of Molecular Medicine and SurgeryKarolinska InstitutetStockholmSweden
2. Department of Cardiothoracic SurgeryKarolinska University HospitalStockholmSweden
3. Department of CardiologyAarhus University HospitalAarhusDenmark
4. Division of Perioperative Medicine and Intensive CareSection Cardiothoracic Surgery and AnesthesiologyKarolinska University HospitalStockholmSweden
5. Department of Cardiothoracic SurgeryRigshospitaletRigshospitaletCopenhagenDenmark
6. Department of Cardiothoracic SurgeryAarhus University HospitalAarhusDenmark