There was an error published in Development (2019). 146, dev169003 (doi: 10.1242/dev.169003).
The surname of author Emily Deutschman was spelled incorrectly (Emily Deustchman).
The correct name appears above and both the online full-text and PDF versions have been updated.
The authors apologise to readers for this mistake.
© 2019. Published by The Company of Biologists Ltd
2019