Correction to: Journal of Perinatology (2015) 35, 208–213; doi:10.1038/jp.2014.192

Following publication of this article, the authors noticed that the labels in Figure 1a were reversed. The correct version appears below.

Figure 1
figure 1

Parents and multiples preference on randomization approach. Parents of multiples and adult multiples who have a preference on how multiples are randomized within clinical trials based on health status (a) and which method (same arm, different arm, independent randomization) is most preferred (b). In each of the six settings, same arm randomization was the most preferred (X2 goodness of fit test, all P<0.001).