Jerome R. Lechien and Auriane Blouin have similarly contributed to the publication and have to be joined as co-first author.

Jan Vanderwegen and Didier Dequanter have to be joined as co-senior author.

Division of Laryngology and Bronchoesophagology, Condorcet School of Speech Therapy, EpiCURA Hospital, Saint-Ghislain, Belgium

Jerome R. Lechien, Auriane Blouin & Laura Bousard

Department of Otorhinolaryngology and Head and Neck Surgery, CHU Saint-Pierre, Brussels, Belgium

Jerome R. Lechien, Alexandra Rodriguez, Marie Verhasselt, Gaetan Cavelier & Didier Dequanter

Department of Otorhinolaryngology and Head and Neck Surgery, School of Medicine, Foch Hospital, UFR Simone Veil, Université Versailles Saint-Quentin-en-Yvelines (Paris Saclay University), Paris, France

Jerome R. Lechien, Robin Baudouin, Grégoire Vialatte de Pemille, Marta P. Circiu, Lise Crevier-Buchman & Stephane Hans

Department of Otorhinolaryngology and Head and Neck Surgery, Elsan Polyclinic of Poitiers, Poitiers, France

Jerome R. Lechien

Department of Speech, Language and Audiology, Thomas More University College of Applied Sciences, Antwerp, Belgium

Jan Vanderwegen

JRL: design, acquisition of data, data analysis and interpretation, drafting, final approval, and accountability for the work; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. AB: design, acquisition of data, data analysis and interpretation, drafting, final approval, and accountability for the work; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. DD: design, acquisition of data, data analysis and interpretation, drafting, final approval, and accountability for the work; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. JV: design, acquisition of data, data analysis and interpretation, agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. SH: design, acquisition of data, data analysis and interpretation, agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. LB: data analysis and interpretation, agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. GVP: data analysis and interpretation, agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. MV: data analysis and interpretation, agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. GC: data analysis and interpretation, agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. RB: data analysis and interpretation, drafting, final approval, and accountability for the work; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. AR: data analysis and interpretation, drafting, final approval, and accountability for the work; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. MC: development of GLUPS, final approval, and accountability for the work; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. LCB: development of GLUPS, final approval, and accountability for the work; final approval of the version to be published; agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.

Correspondence to Jerome R. Lechien.