1. Department of Hematology, Hospital del Mar, Barcelona, Spain;
2. Department of Hemotherapy and Hemostasis, Hospital Clínic, Barcelona, Spain;
3. Department of Hematology, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain;
4. Department of Hematology and Oncology, Hospital Clínico, Valencia, Spain;
5. Department of Hematology, Hospital Morales Messeguer, Murcia, Spain;
6. Department of Hematology, Hospital Príncipe de Asturias, Alcalá de Henares, Spain; and
7. Department of Pathology, Hospital del Mar, Barcelona, Spain