1 Department of Health Sciences, Section of Pathological Anatomy, University of Florence, Viale Pieraccini 6, 50139, Florence, Italy.
2 Department of Pathology, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland.
3 Diagnostic Hematology Department, Institute of Hematology and Transfusion Medicine, Warsaw, Poland.
4 Unit of Medical Oncology, University of Perugia, Perugia, Italy.
5 Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
6 Department of Health Sciences, Section of Pathological Anatomy, University of Florence, Viale Pieraccini 6, 50139, Florence, Italy. [email protected].