There is a Correction to J. Exp. Biol. 218, 3762-3770.
The article was originally published under a Company of Biologists Publication Agreement. The authors subsequently selected Open Access publication and the article is now published under a CC-BY license. The article has also been deposited in PubMed Central for immediate release.
The online article and PDF have been amended to reflect the change in licensing.
© 2016. Published by The Company of Biologists Ltd