1 Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Section of Audiology, University of Brescia, 25100 Brescia, Italy.
2 Pediatric Otolaryngology Head Neck Surgery Department, Children Hospital, ASST Spedali Civili, 25100 Brescia, Italy.
3 Vertigo Center-San Bernardino Polyclinic of Salò, 25087 Salò, Italy.