1. Department of Clinical Chemistry and Transfusion Medicine; Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg; Gothenburg Sweden
2. Department of Clinical Chemistry; Sahlgrenska University Hospital; Gothenburg Sweden
3. Department of Molecular and Clinical Medicine; Institute of Medicine, Sahlgrenska Academy, University of Gothenburg; Gothenburg Sweden
4. Department of Cardiothoracic Surgery; Sahlgrenska University Hospital; Gothenburg Sweden