1. Department of Hematology, University Hospital of Salamanca-IBSAL, Salamanca, Spain;
2. Department of Hematology, University Hospital of Porto-UMIB/ICBAS/UP, Porto, Portugal;
3. Department of Hematology and Oncology, University Hospital of Morales Meseguer, Centro Regional de Hemodonación, University of Murcia, Murcia, Spain;
4. IBSAL, IBMCC, CIC, University of Salamanca-CSIC, Salamanca, Spain;
5. Department of Hematology, Hospital of San Pedro de Alcantara, Cáceres, Spain;
6. Department of Medical Genetics, Sakarya University Training and Research Hospital, Sakarya, Turkey;
7. Department of Hematology, University Hospital of Puerta de Hierro, Majadahonda, Spain;
8. Department of Molecular Genetics, Medical Center of Genetics Dr. Jacinto Magalhães, University Hospital of Porto-UMIB/ICBAS/UP, Porto, Portugal