1 Medicine and Surgery Department, Università degli Studi di Perugia, Perugia, Italy; Teaching and Quality Department, Azienda Ospedaliera di Perugia, Perugia, Italy. Electronic address: giandomenico.giusti@unipg.it.
2 Medicine and Surgery Department, Università degli Studi di Perugia, Perugia, Italy; Teaching and Quality Department, Azienda Ospedaliera di Perugia, Perugia, Italy. Electronic address: nicola.ramacciati@unipg.it.