1. Haematology Service; Department of Medicine; Príncipe de Asturias University Hospital; University of Alcalá; Alcalá de Henares; Madrid; Spain
2. Biomedical Research Foundation; Príncipe de Asturias University Hospital; Alcalá de Henares; Madrid; Spain
3. Pathological Anatomy Service; Príncipe de Asturias University Hospital; Alcalá de Henares; Madrid; Spain