Correction to: European Journal of Clinical Nutrition advance online publication 18 May 2016; doi:10.1038/ejcn.2016.78
Since the publication of this article, the authors have noticed an error in the abstract. The following sentence is correct: ‘The summary odds ratio, estimated using a meta-analysis method for sparse event data, for intervention compared with placebo was 2.1 (95% confidence interval: 0.5–9.8).’ The PDF and online versions have been amended.
The authors apologise for any inconvenience caused.
Footnotes
The online version of the original article can be found at 10.1038/ejcn.2016.78