This article refers to:
Jiang P, Han W, Fu Y, Chen Q. Cancer Manag Res. 2020;12:9087–9096.
At the authors request, the Editor and Publisher of Cancer Management and Research wish to retract the published article. Since completing the study the authors have been unable to reproduce the results reported and have determined the findings are invalid.
Our decision-making was informed by our policy on publishing ethics and integrity and the COPE guidelines on retraction.
The retracted article will remain online to maintain the scholarly record, but it will be digitally watermarked on each page as “Retracted”.