1. Department of Clinical and Experimental Medicine; Research Center on Thromboembolic Disorders and Antithrombotic Therapies; University of Insubria; Varese Italy
2. Department of Medicine; Ottawa Hospital Research Institute; University of Ottawa; Ottawa ON Canada
3. Department of Vascular Medicine; Academic Medical Center; Amsterdam The Netherlands
4. Hematology/Oncology Section; VA Medical Center; Minneapolis MN USA