There was an error published in J. Cell Sci. (2018) 131, jcs205575 (doi: 10.1242/jcs.205575).
In Movie 8, the direction of flow was labelled incorrectly. Movie 8 has now been replaced with the correct version. There are no changes to the movie legend, which is accurate.
The authors would like to apologise to readers for this error.
- © 2018. Published by The Company of Biologists Ltd