1. Department of Clinical Sciences and Community Health; Angelo Bianchi Bonomi Hemophilia and Thrombosis Center; Università degli Studi di Milano; Milan Italy
2. IRCCS Cà Granda Maggiore Hospital Foundation; Milan Italy
3. Department of Biochemistry; Maastricht University; Maastricht the Netherlands
4. Lorraine University; Nancy France
5. Division of Internal Medicine; University of Insubria; Varese Italy
6. Department of Angiology and Blood Coagulation; S. Orsola-Malpighi University Hospital; Bologna Italy
7. Department of Medicine; McMaster University; Hamilton Canada