1 Ospedale Policlinico San Martino, IRCCS, Anatomic Pathology Unit, Genova, Italy.
2 Ospedale Santa Chiara, Division of Anatomical Pathology, Trento, Italy.
3 Università di Genova, Scuola di Scienze Mediche e Farmaceutiche, Department of Integrated Surgical and Diagnostic Sciences (DISC), Division of Anatomic Pathology, Genova, Italy.