Correction to: Nature Protocols 6, 15–27 (2011) https://doi.org/10.1038/nprot.2010.172, published online 9 December 2010

In the HTML version of this article published online, the abstract contains a typo in the first sentence: “key to understanding intestinal motility anGutn of therapeutic strategies” should read “key to understanding intestinal motility and crucial to the design of therapeutic strategies.” The PDF version of the article is correct.