References
- Engholm G, Ferlay J, Christensen N, et al. NORDCAN: cancer incidence, mortality, prevalence and survival in the Nordic countries, version 7.0. Association of the Nordic Cancer Registries; [cited 2015 May 4]. Available from: http://www.ancr.nu; 2015.
- Mortensen HR, Overgaard J, Specht L, et al. Prevalence and peak incidence of acute and late normal tissue morbidity in the DAHANCA 6 & 7 randomised trial with accelerated radiotherapy for head and neck cancer. Radiother Oncol. 2012;103:69–75.
- So WKW, Chan RJ, Chan DNS, et al. Quality-of-life among head and neck cancer survivors at one year after treatment: a systematic review. Eur J Cancer. 2012;48:2391–2408.
- Langendijk JA, Doornaert P, Leeuw IMV, et al. Impact of late treatment-related toxicity on quality of life among patients with head and neck cancer treated with radiotherapy. J Clin Oncol. 2008;26:3770–3776.
- Kjaer T, Dalton SO, Andersen E, et al. A controlled study of use of patient-reported outcomes to improve assessment of late effects after treatment for head-and-neck cancer. Radiother Oncol. 2016;119:221–228.
- Kjaer T, Johansen C, Andersen E, et al. Do we reach the patients with the most problems? Baseline data from the WebCan study among survivors of head-and-neck cancer, Denmark. J Cancer Surviv. 2016;10:251–260.
- Jensen K. Measuring side effects after radiotherapy for pharynx cancer. Acta Oncol. 2007;46:1051–1063.
- Aaronson NK, Ahmedzai S, Bergman B, et al. The European Organization for Research and Treatment of Cancer QLQ-C30: a quality-of-life instrument for use in international clinical trials in oncology. J Natl Cancer Inst. 1993;85:365–376.
- Danish Head and Neck Cancer Group. Available from: http://www.dahanca.dk/get_media_file.php?mediaid=20; 2015.
- Sobin L, Gospodarowicz MK, Wittekind C. TNM Classification of malignant tumours. 7th ed. London: Wiley; 2009.
- Lynge E, Sandegaard JL, Rebolj M. The Danish National Patient Register. Scand J Public Health. 2011;39:30–33.
- Charlson ME, Pompei P, Ales KL, et al. A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis. 1987;40:373–383.
- Osoba D, Rodrigues G, Myles J, et al. Interpreting the significance of changes in health-related quality-of-life scores. J Clin Oncol. 1998;16:139–144.
- Verdonck-de Leeuw IM, Buffart LM, Heymans MW, et al. The course of health-related quality of life in head and neck cancer patients treated with chemoradiation: a prospective cohort study. Radiother Oncol. 2014;110:422–428.
- Nordgren M, Hammerlid E, Bjordal K, et al. Quality of life in oral carcinoma: a 5-year prospective study. Head Neck. 2008;30:461–470.
- Jensen K, Bonde Jensen A, Grau C. The relationship between observer-based toxicity scoring and patient assessed symptom severity after treatment for head and neck cancer. A correlative cross sectional study of the DAHANCA toxicity scoring system and the EORTC quality of life questionnaires. Radiother Oncol. 2006;78:298–305.
- Jellema AP, Slotman BJ, Doornaert P, et al. Impact of radiation-induced xerostomia on quality of life after primary radiotherapy among patients with head and neck cancer. Int J Radiat Oncol. 2007;69:751–760.
- Bibby JRL, Cotton SM, Perry A, et al. Voice outcomes after radiotherapy treatment for early glottic cancer: assessment using multidimensional tools. Head Neck. 2008;30:600–610.
- Jensen K, Lambertsen K, Torkov P, et al. Patient assessed symptoms are poor predictors of objective findings. Results from a cross sectional study in patients treated with radiotherapy for pharyngeal cancer. Acta Oncol. 2007;46:1159–1168.
- Basch E, Jia X, Heller G, et al. Adverse symptom event reporting by patients vs clinicians: relationships with clinical outcomes. J Natl Cancer Inst. 2009;101:1624–1632.
- Singer S, Krauß O, Keszte J, et al. Predictors of emotional distress in patients with head and neck cancer. Head Neck. 2012;34:180–187.
- Murphy BA, Ridner S, Wells N, et al. Quality of life research in head and neck cancer: a review of the current state of the science. Crit Rev Oncol Hematol. 2007;62:251–267.
- Bjordal K, Ahlner-Elmqvist M, Hammerlid E, et al. A prospective study of quality of life in head and neck cancer patients. Part II: longitudinal data. The Laryngoscope. 2001;111:1440–1452.
- Mehanna HM, Morton RP. Deterioration in quality-of-life of late (10-year) survivors of head and neck cancer. Clin Otolaryngol. 2006;31:204–211.
- Verdonck-de Leeuw IM, van Bleek W-J, René Leemans C, et al. Employment and return to work in head and neck cancer survivors. Oral Oncol. 2010;46:56–60.