Correction to: European Journal of Clinical Nutrition (2017) 71, 274–283; doi:10.1038/ejcn.2016.162; published online 28 September 2016

Updated online 15 February 2017: This article was originally published under a CC BY-NC-SA 4.0 license, but has now been made available under a CC BY 4.0 license. The PDF and HTML versions of the paper have been modified accordingly.