1 Operative Unit of Pathologic Anatomy, Azienda USL della Romagna, "S. Maria delle Croci" Hospital, Viale Randi 5, 48121, Ravenna, Italy.
2 Operative Unit of Pathologic Anatomy, Azienda USL della Romagna, "S. Maria delle Croci" Hospital, Viale Randi 5, 48121, Ravenna, Italy. Electronic address: chiara.baldovini@auslromagna.it.