title: Validity and reliability of the Greek version of the xerostomia questionnaire in head and neck cancer patients: methodological issues to avoid misinterpretation.
authors.affiliation: Managerial Epidemiology Research Center, Department of Public Health, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran.|Road Traffic Injury Research Center, Department of Statistics and Epidemiology, Tabriz University of Medical Sciences, Tabriz, Iran.
authors.forename: Saeid
authors.initials: S
authors.lastname: Safiri
authors.affiliation: Department of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran. aubi65@gmail.com.|Department of Epidemiology & Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran. aubi65@gmail.com.
authors.forename: Erfan
authors.initials: E
authors.lastname: Ayubi
mesh_terms: D006115:Greece; D006258:Head and Neck Neoplasms; D006801:Humans; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires; D014987:Xerostomia