1. World Health Organization (2020) Key facts. Cancer. https://www.who.int/news-room/fact-sheets/detail/cancer. Accessed 2 January 2020
2. Canadian Cancer Society (2019) Colorectal cancer statistics. Cancer Society archive. https://www.cancer.ca/en/cancer-information/cancer-type/colorectal/statistics/?region=on. Accessed 13 August 2019
3. American Cancer Society (2019) Key statistics for colorectal cancer. Cancer Society archive. https://www.cancer.org/cancer/colon-rectal-cancer/about/key-statistics.html. Accessed 13 August 2019
4. Loud JT, Murphy J (2017) Cancer screening and early detection in the 21st century. Semin Oncol Nurs 33(2):121–128
5. Doubeni CA, Corley DA, Quinn VP, Jenson CD, Zauber AG, Goodman M, Johnson JR, Mehta SJ, Becerra TA, Zhao WK, Joanne S, Paul Doria-Rose V, Levin TR, Weiss NS, Fletcher RH (2018) Effectiveness of screening colonoscopy in reducing the risk of death from right and left colon cancer: a large community-based study. BMJ Journals 67(2):291–298