1. Hematology Section Department of Medicine NU Hospital Group UddevallaSweden
2. Department of Clinical Chemistry Sahlgrenska University Hospital GothenburgSweden
3. Haematology and Coagulation Section Department of Medicine Sahlgrenska University Hospital GothenburgSweden
4. Department of Laboratory Medicine Institute of Biomedicine, the Sahlgrenska Academy University of Gothenburg Gothenburg Sweden