Correction to: European Journal of Clinical Nutrition (2017) 71, 973–979; doi:10.1038/ejcn.2017.9; published online 15 March 2017

Updated online 16 August 2017: This article was originally published under a standard EJCN 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.