1. ENT Audiology Phoniatric Unit, University of Pisa, Pisa, Italy
2. Laryngopharyngeal Reflux Study Group of YO-IFOS, Paris, France
3. CNR Institute of Clinical Physiology, Pisa, Italy
4. Department of Mental and Physical Health and Preventive Medicine, Division of Phoniatrics and Audiology, Luigi Vanvitelli University, Naples, Italy
5. Laboratory of Human Anatomy and Experimental Oncology, Faculty of Medicine, UMONS Research Institute for Health Sciences and Technology, University of Mons (UMons), Mons, Belgium
6. CNR Institute of Information Science and Technologies, Signals & Images Lab, Pisa, Italy
7. Department of Translational Research and New Technologies in Medicine and Surgery, Gastroenterology Unit, University of Pisa, Pisa, Italy