1. World Health Organization. Global Health Observatory Data Repository. Available at:http://apps.who.int/gho/data/view.main Accessed August 8 2014.
2. World Health Organization International Agency for Research on Cancer. GLOBOCAN 2012: Estimated Cancer Incidence Mortality and Prevalence Worldwide in 2012. Available at:http://globocan.iarc.fr/Pages/fact_sheets_cancer.aspx. Accessed August 8 2014.
3. HowladerN NooneAM KrapchoM et al. SEER Cancer Statistics Review 1975‐2010. Available at:http://seer.cancer.gov/csr/1975_2010/. Accessed August 8 2014.
4. National Comprehensive Cancer Network (NCCN). NCCN Clinical Practice Guidelines in Oncology: Non‐Small Cell Lung Cancer. Version 4.2014. Available at:http://www.nccn.org/professionals/physician_gls/pdf/nscl.pdf. Accessed August 8 2014.
5. The Emerging Role of Biomarkers in Advanced Non–Small-Cell Lung Cancer