Correction to: European Journal of Clinical Nutrition advance online publication 6 April 2016; doi:10.1038/ejcn.2016.45

Since the publication of this article, the authors have noticed an error in the author list. The author Kaspar Staub of the Institute of Evolutionary Medicine (IEM), University of Zurich, Switzerland, has since been added. The PDF and online versions have been amended.

The authors apologise for any inconvenience caused.