Editorial expression of concern (EEoC) to: Surg Endosc https://doi.org/10.1007/s00464-011-1982-9

The Editors-in-Chief are issuing an editorial expression of concern to alert readers that in Figs. 1 and 3 the actin bands are identical within each panel. The authors were contacted for a response to this matter but the Editors have not received any response from the authors regarding the above concerns. Readers are advised to interpret the details of this article with caution.

None of the authors have responded to any correspondence from the publisher about this editorial expression of concern.