1. Department of Cardiology Sahlgrenska University Hospital Gothenburg Sweden
2. Institute of Medicine, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
3. Department of Cardiothoracic Surgery Sahlgrenska University Hospital Gothenburg Sweden
4. Institute of Clinical Sciences, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
5. Centre of Registers Västra Götaland Sahlgrenska University Hospital Gothenburg Sweden
6. Transplant Institute Sahlgrenska University Hospital Gothenburg Sweden