1. Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico Centro Emofilia e Trombosi Angelo Bianchi Bonomi Milan Italy
2. III Divisione di Malattie Infettive Ospedale L. Sacco ‐ Polo Universitario Milan Italy
3. Pediatric Hematology Oncology Azienda Ospedaliera Universitaria Integrata Verona Italy
4. Department of Surgical and Biomedical Sciences Pediatric Clinic Università degli Studi di Perugia Perugia Italy
5. Department of Experimental Medicine Università degli Studi di Perugia Perugia Italy
6. Swedish Orphan Biovitrum s.r.l. (Sobi) Milan Italy
7. Thrombosis and Haemostasis Unit Istituto Giannina Gaslini Genoa Italy
8. Pediatric Hematology and Oncology Unit Ospedale Pediatrico Microcitemico Cagliari Italy
9. Paediatric Onco‐haematology Unit Children's Hospital, ASST Spedali Civili Brescia Italy
10. Regional Reference Center for Inherited Bleeding Disorders University Hospital of Parma Parma Italy
11. Regional Reference Center for Coagulation Disorders Federico II University Hospital Naples Italy
12. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy
13. Don C Gnocchi Foundation IRCCS Milan Italy