1. Laryngopharyngeal Reflux Study Group of Young‐Otolaryngologists of the International Federations of Oto‐rhino‐laryngological Societies Paris France
2. Department of Anatomy and Experimental Oncology Mons School of Medicine, UMONS Research Institute for Health Sciences and Technology, University of Mons Mons Belgium
3. Department of Otorhinolaryngology and Head and Neck Surgery, CHU Saint‐Pierre, Faculty of Medicine University Libre de Bruxelles Brussels Belgium
4. Department of Surgery University of Auckland Grafton Auckland New Zealand
5. Department of Otorhinolaryngology and Head and Neck Surgery CHRU de Lille Lille France
6. Division of Otolaryngology–Head and Neck Surgery, Centre Hospitalier de l'Université de Montréal Montreal Québec Canada
7. Division of Phoniatrics and Audiology, Department of Mental and Physical Health and Preventive Medicine University of Naples SUN Naples Italy
8. Laboratory of Phonetics, Faculty of Psychology Research Institute for Language Sciences and Technology, University of Mons Mons Belgium
9. Department of Otorhinolaryngology and Head and Neck Surgery Foch Hospital Paris France
10. Department of Otorhinolaryngology and Head and Neck Surgery Thessaloniki Medical School Thessaloniki Greece
11. Department of Otorhinolaryngology and Head and Neck Surgery Kyung Hee University School of Medicine Seoul Korea
12. Polyclinique Elsan de Poitiers Poitiers France
13. Department of Otolaryngology–Head and Neck Surgery Johns Hopkins School of Medicine Baltimore Maryland U.S.A.