1. Surgical Pathology and Cytopathology Unit, Department of Medicine-DIMED, School of Medicine, University of Padua, 35128 Padua, Italy
2. Hematology and Clinical Immunology Unit, Department of Medicine-DIMED, School of Medicine, University of Padua, 35128 Padua, Italy
3. Department of Pathology, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA