1. Department of Endocrinology and Diabetes, ASL RMH, Rome, Italy
2. Interventional Radiology Unit, North West London Hospitals NHS Trust (Northwick Park & St. Mark’s Hospitals), Harrow, London HA1 3UJ, UK
3. General and Endocrine Surgery, University of Nevada School of Medicine, Las Vegas, NV, USA
4. ENT Clinic, University of Siena, Siena, Italy
5. Department of Metabolism, Nutrition and Wellness, INRCA-IRCCS, Rome, Italy