1 Hematopathology Unit and Department of Hematology, Hospital Clínic, Barcelona, Spain; and.
2 Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain.
3 Hematopathology Unit and Department of Hematology, Hospital Clínic, Barcelona, Spain; and Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain.