1. Norwegian National Unit for Platelet Immunology Department of Laboratory Medicine University Hospital of North Norway Tromsø Norway
2. Department of Research Østfold Hospital Grålum Norway
3. Department of Emergency Medicine Østfold Hospital Grålum Norway
4. Department of Medicine, Hematology and Research Østfold Hospital Grålum Norway
5. Department of Haematology Institute for Clinical Medicine University of Oslo Oslo Norway