1 Department of General and Digestive Surgery, Colorectal Unit, Hospital Clínico Universitario, HCUV. Avd. Blasco Ibañez, 17, 46010, Valencia, Spain. garalma@hotmail.com.
2 Department of General and Digestive Surgery, Colorectal Unit, Hospital Clínico Universitario, HCUV. Avd. Blasco Ibañez, 17, 46010, Valencia, Spain.
In the Fig. 1 of the original published version of this article the numbers were switched as well as in the text of Results section, lines 5 and 6. The revised figure and the corrected text are now presented correctly in this article.