1. Department of Medicine and Surgery, University of Insubria, 21100 Varese, Italy
2. UB-CARE S.r.l., Spin-Off University of Pavia, 27100 Pavia, Italy
3. Department of Medicine and Surgery, University of Vita-Salute San Raffaele, 20132 Milano, Italy
4. College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
5. Head and Neck Unit, Clinica Cobellis, 84078 Vallo della Lucania, Italy