1. Clinical Chemistry; University and Regional Laboratories Region Skåne; Malmö Sweden
2. Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
3. Department of Medicine; Coagulation Center; Sahlgrenska University Hospital; Gothenburg Sweden
4. Department of Clinical Chemistry and Transfusion Medicine; The Sahlgrenska Academy; Institute of Biomedicine, University of Gothenburg; Gothenburg Sweden
5. Department of Clinical Chemistry; Karolinska University Hospital; Stockholm Sweden