1. Research Centre on Public Health (CESP), University of Milan-Bicocca, 20900 Monza, Italy
2. IRCCS Istituto Auxologico Italiano, 20145 Milano, Italy
3. Hemophilia Center, University Hospital of Padua, 35128 Padua, Italy
4. Laboratory Medicine, Department of Biomedical Sciences, Padua University Hospital, 35128 Padua, Italy
5. Italian Association of Haemophilia Centres—AICE, 50100 Firenze, Italy
6. Hematology, Umberto I University Hospital, 00161 Rome, Italy
7. Center for Haemorrhagic and Thrombotic Diseases, Department of Medical Sciences, Catholic University School of Medicine, ‘A. Gemelli’ Hospital, 00168 Rome, Italy
8. Department of Clinical Medicine and Surgery, Regional Service Centre of Coagulation Disorders, ‘Federico II’ University, 80138 Naples, Italy