Digital slides as an effective tool for programmed death ligand 1 combined positive score assessment and training: Lessons learned from the 'Programmed death ligand 1 key learning program in Head-and-Neck squamous cell carcinoma'

The e-learning event “PD-L1 Key learning in HNSCC” was organized by Global Studio SRL over several days (December 2019 to May 2020) and ended with a final webinar on June 12, 2020. There were 3 learning days with overall 28 sessions comprising both traditional lectures and interactive slide viewing sessions for overall 6 h of learning activity, with involvement of a mean of six lecturers of the faculty for each event. The final meeting was supported by Zoom videoconferencing software (Zoom Video Communications, Inc., San Jose, CA, USA). After subscription, all participants received a permanent link with meeting ID and password for all online material. The faculty included Albino Eccher (University and Hospital Trust of Verona, Verona), Gabriella Fontanini (University of Pisa, Pisa), Nicola Fusco (European Institute of Oncology, Milan), Paolo Graziano (Foundation IRCCS “Casa Sollievo della Sofferenza,” San Giovanni Rotondo, Foggia), Elena Guerini Rocco (European Institute of Oncology, Milan), Maurizio Martini (Catholic University-Fondazione Policlinico Universitario “A. Gemelli” IRCCS, Rome), Patrizia Morbini (University of Pavia and IRCCS Policlinico S. Matteo, Pavia and Chief of Head and Neck Pathology Study Group for Italian Society for Anatomic Pathology and Cytology [SIAPEC]), Giancarlo Troncone (University of Naples Federico II, Naples), and Elena Vigliar (University of Naples Federico II, Naples). Attendees were 86 pathologists from all over Italy. All of the events were structured with lectures and interactive practical sessions involving case discussions.