There was an error published in Development 139, 1229-1245.
In the legend to Fig. 4 (p. 1235), it should read: ‘While both flows are mainly directed from right to left (red arrows) with laminar flow features, a rightwards recirculatory flow (broken red arrows) is also generated.’
On p. 1236, it should read: ‘For example, flow in the LR organizer of zebrafish rotates counter-clockwise (Kramer-Zucker et al., 2005) so that cells on the left side of the organizer experience a flow that goes from anterior to posterior on the left side when imaged dorsally; this is the opposite...’
The authors apologise to readers for this mistake.
