1. Department of Oncology, Phd Program in Experimental Medicine and Therapy, University of Turin, Italy;
2. FPO IRCSS, Candiolo Cancer Institute, Head & Neck Oncology Unit, Candiolo, Turin, Italy;
3. Microsurgery Unit, Department of Orthopaedics and Traumatology, Orthopaedic and Trauma Center CTO, Turin, Italy;
4. Department of Oncology, Oral Medicine and Oral Oncology Unit, University of Turin, Italy;
5. Department of Oncology, Otolaryngology Unit, University of Turin, Italy