Appendix – Supplemental material for Validity and Reliability of the Reflux Sign Assessment

Supplemental material, Appendix for Validity and Reliability of the Reflux Sign Assessment by Jérôme R. Lechien, Alexandra Rodriguez Ruiz, Didier Dequanter, Francois Bobin, Francois Mouawad, Vinciane Muls, Kathy Huet, Bernard Harmegnies, Sarah Remacle, Camille Finck and Sven Saussez in Annals of Otology, Rhinology & Laryngology