Following the publication of this article [1] in Journal of Experimental and Clinical Cancer Research, the corresponding author has informed the journal that this article had been accepted and previously published by Acupuncture and Electro-therapies Research [2]. Since it has been brought to the attention of all authors the decision has been made to retract the article published in Journal of Experimental and Clinical Cancer Research. The authors apologise for any inconvenience this may have caused to the editorial staff and readers.