title: Reply to letter to the editor.
authors.affiliation: Otorhinolaryngology Department, Hospital de la Santa Creu i Sant Pau Universitat Autònoma de Barcelona, Barcelona, Spain.
authors.forename: Xavier
authors.initials: X
authors.lastname: León
mesh_terms: D005260:Female; D006258:Head and Neck Neoplasms / Q000401:mortality*; D006801:Humans; D008297:Male; D016609:Neoplasms, Second Primary / Q000401:mortality*