1. Haemophilia Unit, Hematology Department, Hospital Universitario La Paz -idipaz, Madrid, Spain
2. Hemophilia Unit, Hematology Department, Hospital Vall d’Hebron, Barcelona, Spain
3. Hematology Service, Hospital Universitario Son Espases, Palma de Mallorca, Spain
4. Hematology and Hemotherapy Service, Hospital Materno Infantil INIBIC-CHUAC, A Coruña, Spain
5. Hematology Department, Hospital Universitario Regional de Málaga, Spain
6. Thrombosis and Hemostasis Unit, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
7. Hematology Service, Hospital Universitario Virgen del Rocío, Sevilla, Spain
8. Hematology and Hemotherapy Service, Hospital Alvaro Cunqueiro, Vigo, Spain
9. Hemostasis and Thrombosis Section, Hematology and Hemotherapy Service, Hospital Universitario Cruces, Barakaldo, Spain
10. Hematololy Department, Hospital Universitario La Paz-IdiPaz, Madrid, Spain