1. Laryngopharyngeal Reflux Study Group of Young‐Otolaryngologists of the International Federations of Oto‐rhino‐laryngological Societies (YO‐IFOS) Paris France
2. Department of Anatomy and Experimental Oncology, UMONS Research Institute for Health Sciences and Technology University of Mons (UMons) 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 Otorhinolaryngology and Head and Neck Surgery, Foch Hospital Paris Saclay University Paris France
5. Department of Surgery University of Auckland Auckland New Zealand
6. Division of Phoniatrics and Audiology, Department of Mental and Physical Health and Preventive Medicine University of Naples SUN Naples Italy
7. Department of Otorhinolaryngology and Head and Neck Surgery Thessaloniki Medical School Thessaloniki Greece
8. Department of Otorhinolaryngology‐Head and Neck Surgery, Shanghai Ninth People's Hospital Shanghai Jiaotong University School of Medicine Shanghai China
9. Department of Otolaryngology‐Head and Neck Surgery, Universidade Federal de São Paulo Sao Paulo Brazil
10. Department of Otorhinolaryngology, Clinical Hospital University of São Paulo School of Medicine São Paulo Brazil
11. Department of Otolaryngology‐Head & Neck Surgery, Kasr Alainy School of Medicine Cairo University Cairo Egypt
12. Department of Otorhinolaryngology‐Head & Neck Surgery Hospital Universitario Donostia San Sebastian Spain
13. Division of Laryngology and the Professional Voice Department of Otolaryngology Communication Science Medical College of Wisconsin Milwaukee Wisconsin U.S.A.
14. Division of Otolaryngology, Department of Surgery, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts U.S.A.
15. Department of Otolaryngology‐Head and Neck Surgery Johns Hopkins School of Medicine Baltimore Maryland U.S.A.