1. Einthoven Laboratory for Experimental Vascular Medicine, Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands;
2. AB Bonomi Hemophilia and Thrombosis Centre, Foundation IRCCS Ca’ Granda Maggiore Policlinico Hospital and University of Milan, Milan, Italy;
3. Hematology Department, San Bortolo Hospital, Vicenza, Italy;
4. Hämostaseology, Medilys Laborgesellschaft mbH, Hamburg, Germany;
5. University Medical Center Hamburg-Eppendorf, Department of Pediatric Hematology and Oncology, Hamburg, Germany;
6. Servicio de Hematologia y Hemoterapia, Hospital Teresa Herrera, La Coruna, Spain;
7. University of Lille, Lille, France; and
8. Haemostasis Research Group, Department of Cardiovascular Science, University of Sheffield, Sheffield, United Kingdom