1. Department of Clinical Medicine, Regional Reference Centre for Coagulation Disorders, Federico II University Hospital, Naples, Italy
2. Department of Immunohematology and Transfusion Medicine, Carlo Poma Hospital, Mantova, Italy
3. Bayer Italia, Milan, Italy
4. Primula Multimedia, Pisa, Italy
5. Department of Experimental and Laboratory Medicine, Regional Reference Center for Hemorrhagic Diseases, Giannina Gaslini Institute, Genoa, Italy
6. Regional Reference Center for Thrombotic and Haemorrhagic Disorders, Hemophilia Center, University Hospital S. Giovanni Battista, Torino, Italy
7. Department of Medicine, Regional Reference Center for Inherited Bleeding Disorders, University Hospital of Parma, Parma, Italy
8. Department of Oncology and Hematology, Hemophilia Center, Hemostasis and Thrombosis Unit, Azienda Ospedaliera Pugliese-Ciaccio, Catanzaro, Italy
9. Division of Hematology, Department of Cellular Biotechnology and Hematology, Sapienza University, Rome, Italy