1. Division of Pathology, Humanitas Istituto Clinico Catanese, Catania, Italy
2. Section of Pathology, Department of Pathology and Diagnostics, University Hospital of Verona, Verona, Italy
3. Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
4. Department of Medicine and Surgery, University of Salerno, Salerno, Italy
5. Department of Pathology, Santa Chiara Hospital, Trento, Trentino-Alto Adige, Italy
6. Division of Pathology, Central Hospital Bolzano, Bolzano, Trentino-Alto Adige, Italy
7. Section of Pathology, Department of Medical and Surgical Sciences for Children and Adults, University of Modena and Reggio Emilia, University Hospital of Modena, Modena, Emilia-Romagna, Italy