1. World Health Organization (2008) Cancer mortality and morbidity. Available: http://www.who.int/gho/ncd/mortality_morbidity/cancer/en/index.html. Accessed 2014 Jan 12.
2. Cancer statistics, 2013;R Siegel;CA: a cancer journal for clinicians,2013
3. Lung cancer survival and stage at diagnosis in Australia, Canada, Denmark, Norway, Sweden and the UK: a population-based study, 2004–2007;S Walters;Thorax,2013
4. Taiwan National Health Insurance Administration MoHW (2013) Statistics & Surveys. Available: http://www.nhi.gov.tw/English/webdata/webdata.aspx?menu=11&menu_id=296&webdata_id=1942&WD_ID=296. Accessed 2013 May 5.
5. Taiwan Cancer Registry (2008) Cancer Statistics. Available: http://tcr.cph.ntu.edu.tw/main.php?Page=A5B3. Accessed 2013 May 19.