Correction to: BMC Cancer 19, 500 (2019)

https://doi.org/10.1186/s12885-019-5656-7

Following publication of the original article [1], the authors identified an error on the acknowledgements section of the article. The acknowledgments declaration should state the following:

Acknowledgments

We express our thanks to the following people for giving valuable information and suggestion for this article: Dr. Chai Huiping (The First Affiliated Hospital of Anhui Medical University, Anhui, China), Dr. Yu Guangmao (Shaoxing People’s Hospital, Shaoxing, China).