1. Department of Hematology. ICO-Badalona, Hospital Germans Trias i Pujol, Institut de Recerce Josep Carreras; Universitat Autònoma de Barcelona; Badalona Spain
2. Department of Hematology. ICO-Duran y Reynals; Hospitalet de Llobregat; Bacelona Spain
3. Department of Hematology; Hospital Universitario de Salamanca; Salamanca Spain
4. Department of Hematology; Hospital de Cabueñes; Gijón Spain
5. Department of Clinical Hematology. ICO-Badalona, Hospital Germans Trias i Pujol, Institut de Recerca Josep Carreras; Universitat Autònoma de Barcelona; Badalona Spain