1. Department of Medical Oncology, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
2. Department of Otorhinolaryngology-Head and Neck Surgery, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
3. Department of Oncology Radiotherapy, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia