1. Department of Life, Health, and Environmental Sciences, Università degli Studi di L’Aquila, 67100 L’Aquila, Italy
2. Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy
3. Anatomy and Pathological Histology Division, ASL 1 Avezzano-Sulmona-L’Aquila, San Salvatore Hospital, 67100 L’Aquila, Italy
4. Department of Applied Clinical and Biotechnological Sciences, University of Aquila, 67100 L’Aquila, Italy
5. Institute of Biochemistry and Cell Biology (IBBC-CNR), Department of Sense Organs, Sapienza University Rome, Policlinico Umberto I, 00161 Roma, Italy
6. Division of Otolaryngology-Head and Neck Surgery, ASL Rieti-Sapienza University, Ospedale San Camillo de Lellis, 02100 Rieti, Italy