1. Angelo Bianchi Bonomi Hemophilia and Thrombosis Centre; Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico and Luigi Villa Foundation; Milan Italy
2. Department of Pathophysiology and Transplantation; Università degli Studi di Milano; Milan Italy
3. Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Milan Italy
4. Department of Clinical Epidemiology; Leiden University Medical Center; Leiden The Netherlands