Oncol Lett 12: 1489–1492, 2016; DOI: 10.3892/ol.2016.4776
Following the publication of the article, the authors noted the following errors in the reference section. References 5, 6 and 9 should be rearranged so that reference 5 is Thompson, reference 6 is Kimura et al and reference 9 is Modlin et al. In addition References 17, 18 and 19 should be rearranged so that reference 17 is Bosman et al, reference 18 is Chang et al and reference 19 is Richardson et al. All the authors agree to the changes to the reference list.