1. Surgical Research Laboratory Department of Surgery University of Groningen University Medical Center Groningen Groningen The Netherlands
2. Division of Internal Medicine Department of Clinical Sciences Karolinska Institutet Danderyd Hospital Stockholm Sweden
3. Department of Neurology Danderyd Hospital Stockholm Sweden
4. Department of Clinical Neurosciences Karolinska Institutet Stockholm Sweden
5. Clinical Chemistry and Blood Coagulation Research MMK Department of Pediatrics Department of Hematology CLINTEC Karolinska Institutet Karolinska University Hospital Stockholm Sweden
6. UNC Blood Research Center Division of Hematology Department of Medicine University of North Carolina at Chapel Hill NC USA