[Corrigendum] Metformin facilitates BG45‑induced apoptosis via an anti‑Warburg effect in cholangiocarcinoma cells

: Following the publication of the article, the authors have realized that Fig. 1A contained an error (essentially, the scale bars were drawn incorrectly). The corrected version of Fig. 1 is shown below, also including a modified version of the legend for Fig. 1A. Note that these revisions do not affect the overall conclusions reported in the paper. The authors apologize to the Editor of Oncology Reports and to the readership for any inconvenience caused. [the original article was published in Oncology Reports 39: 1957‑1965, 2018; DOI: 10.3892/or.2018.6275].