1. Unit Physical and Rehabilitation Medicine, Campus Bio-Medico University, Rome, Italy
2. Unit of Otolaryngology, School of Medicine, Campus Bio-Medico University, Rome, Italy
3. University of the Republic of San Marino, San Marino, San Marino
4. Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
5. Unit of Orthopaedics and Trauma Surgery, Campus Bio-Medico University, Rome, Italy