1. Adolescent and Young Adult Oncology Progress Review Group. Closing the gap: research and care imperatives for adolescents and young adults with cancer. 2006; http://planning.cancer.gov/library/AYAO_PRG_Report_2006_FINAL.pdf . Accessed 5 June 2015.
2. Ries LAC, Melbert D, Krapcho M, Stinchcomb DG, Howlader N, Mariotto A et al. SEER Cancer Statistics Review, 1975–2005. National Cancer Institute, Bethesda, MD. 2008. http://seer.cancer.gov/csr/1975_2005/ . Accessed 24 Sep 2014.
3. Arnett JJ. Emerging adulthood: a theory of development from the late teens through the twenties. Am Psychol. 2000;55(5):469–80.
4. Maggs JL, Schulenberg J, Hurrelmann K. Developmental transitions during adolescence: health promotion implications. In: Schulenberg J, Maggs JL, Hurrelmann K, editors. Health risks and developmental transitions during adolescence. 1st ed. Cambridge: The Press Syndicate of the University of Cambridge; 1997. p. 522–46.
5. Tai E, Buchanan N, Townsend J, Fairley T, Moore A, Richardson LC. Health status of adolescent and young adult cancer survivors. Cancer. 2012;118(19):4884–91.