1. Hematology Department Hospital Universitario de Gran Canaria Dr. Negrín Las Palmas Spain
2. Service d'Hématologie Clinique, Institut de Cancéro‐Hématologie Centre Hospitalier Régional et Universitaire de Brest Brest France
3. Hematology Unit, Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE) University of Palermo Palermo Italy
4. Department of Hematology and Bone Marrow Transplantation Wroclaw Medical University Wroclaw Poland
5. Hematology Department Hospital Clínico Universitario de Santiago de Compostela Santiago de Compostela Spain
6. Hematology Department Hospital Clínico Universitario de A Coruña A Coruña Spain
7. Department of Hematology, Oncology and Internal Medicine Szpital Wojewódzki Opole Poland
8. Department of Hematology Institute of Hematology Warsaw Poland
9. Department of Hematology and Bone Marrow Transplantation Poznan University of Medical Sciences Poznan Poland
10. Department of Haematology CM UMK in Bydgoszcz Nicolaus Copernicus University in Toruń Toruń Poland
11. Investigation Unit Hospital Universitario de Gran Canaria Dr. Negrín Las Palmas Spain