1. Department of Internal Medicine and Hematology Semmelweis University Budapest Hungary
2. Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, A. Bianchi Bonomi Hemophilia and Thrombosis Center and Fondazione Luigi Villa Milan Italy
3. Laboratory of Hemostasis Medilys Laboratory Hamburg Germany
4. Center for Bleeding Disorders Careggi University Hospital Florence Italy
5. Haemostasis Research Unit University College London London UK
6. Winship Cancer Institute Emory University Atlanta GA USA
7. MFRC Medical College of Wisconsin Milwaukee WI USA
8. Department of Pathophysiology and Transplantation Università degli Studi di Milano Milan Italy
9. Department of Pediatric Hematology and Oncology University Medical Center Hamburg‐Eppendorf Hamburg Germany
10. Department of Assay Development Siemens Healthcare Diagnostics Products GmbH Marburg Germany