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.