1. Research Center on Thromboembolic Disorders and Antithrombotic Therapies; Department of Clinical and Experimental Medicine; University of Insubria; Varese Italy
2. Epidemiology and Preventive Medicine Research Centre; Department of Clinical and Experimental Medicine; University of Insubria; Varese Italy
3. Department of Internal Medicine; Landeskrankenhaus Hohenems; Hohenems WA Austria