Correction to: European Journal of Clinical Nutrition (2015) 69, 309–313; doi: 10.1038/ejcn.2014.261; published online 14 January 2015

Since the publication of this article, the authors have noticed that several of the author names were published incorrectly. The correct author names are listed above. The html and online PDF versions have also been amended.

The authors apologise for any inconvenience caused.