1. Shike M, Winawer SJ, Greenwald PH, Bloch A, Hill MJ, Swaroop SV (1990) Primary prevention of colorectal cancer. The WHO Collaborating Centre for the Prevention of Colorectal Cancer. Bull World Health Organ 68(3):377–385
2. American Cancer Society (2014) Cancer facts and figures 2014. American Cancer Society, Atlanta, GQ
3. Ries LAG, Melbert D, Krapcho M, et al. (2008) SEER cancer statistics review, 1975–2005 (based on November 2007 SEER data submission). National Cancer Institute, Bethesda, MD, http://seer.cancer.gov/csr/1975_2005/
4. Siegel RL, Miller KD, Jemal A (2015) Cancer statistics, 2015. CA Cancer J Clin 65(1):5–29
5. Inadomi JM (2008) Taishotoyama symposium barriers to colorectal cancer screening: economics, capacity and adherence. J Gastroenterol Hepatol 23(Suppl 2):S198–S204