1. Department of Pathology Ramón y Cajal Universitary Hospital Madrid Spain
2. Department of Hematology Ramón y Cajal Universitary Hospital Madrid Spain
3. Department of Genetics Ramón y Cajal Universitary Hospital Madrid Spain
4. Head of Hematopathology Department Ramón y Cajal Universitary Hospital; Alcalá University, Madrid, Spain; Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; CIBERONC Madrid Spain