1. Department of Pathology and Diagnostics University and Hospital Trust of Verona Verona Italy
2. Department of Pathology University of Pittsburgh Medical Center Pittsburgh Pennsylvania
3. Department of Pathology Sacro Cuore Don Calabria Hospital Italy
4. Division of Anatomic Pathology and Histology Catholic University‐Fondazione Policlinico Universitario “A. Gemelli” IRCCS Rome Italy
5. Department of Otorhinolaringology and Head & Neck Surgery University and Hospital Trust of Verona Verona Italy