1. Jemal A, Siegel R, Ward E, Murray T, Xu J, Thun MJ (2007) Cancer statistics, 2007. CA Cancer J Clin 57:43–66
2. Curado MP, Edwards B, Shin HR, Storm H, Ferlay J, Heanue M et al (2007) Age-standardized and cumulative incidence rates. Cancer incidence in five continents, vol IX. IARC Scientific Publication, Lyon, pp 498–501
3. American Cancer Society (2019) Cancer facts and figures 2019. American Cancer Society, Atlanta
4. Ramsey T, Guo E, Svider PF, Lin H, Syeda S, Raza SN et al (2018) Laryngeal cancer: global socioeconomic trends in disease burden and smoking habits. Laryngoscope 128:2039–2053. https://doi.org/10.1002/lary.27068
5. Fox S (2011) The social life of health information, 2011. Pew Internet & American Life Project, pp 1–33