1. Hematology ServiceClínica Universidad de Navarra Pamplona Spain
2. Banco de Sangre y Tejidos de Navarra Pamplona Spain
3. Department of Clinical HaematologyNottingham University Hospitals NHS Trust Nottingham UK
4. Emergency DepartmentHospital Universitario La Paz Madrid Spain
5. Intensive MedicineHospital Universitario La Paz Madrid Spain