1. Division of Hematology, Department of Translational Medicine Università del Piemonte Orientale Novara Italy
2. Division of Pathology, Department of Health Sciences Università del Piemonte Orientale Novara Italy
3. Clinical and Experimental Onco‐Hematology Unit Centro di Riferimento Oncologico di Aviano (CRO), IRCCS Aviano, Pordenone Italy