1 Otolaryngology University Unit - "S. M. Goretti Hospital", Latina, Italy.
2 Otolaryngology University Unit - "S. M. Goretti Hospital", Latina, Italy; Odontostomatological and maxillo-facial Sciences Department, "Sapienza" University of Rome, Rome, Italy. Electronic address: valentina.terenzi@uniroma1.it.
3 Sensorial Organs Department, ENT Section, "Sapienza" University of Rome, Rome, Italy.
4 Otolaryngology University Unit - "S. M. Goretti Hospital", Latina, Italy; Sensorial Organs Department, ENT Section, "Sapienza" University of Rome, Rome, Italy.