About the Authors

Caroline L. Relton

c.l.relton@ncl.ac.uk

Affiliation Human Nutrition Research Centre, Institute of Human Genetics, Newcastle University, Newcastle upon Tyne, United Kingdom

George Davey Smith

Affiliation MRC Centre for Causal Analyses in Translational Epidemiology, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: CLR GDS. Agree with the manuscript's results and conclusions: CLR GDS. Contributed to the writing of the paper: CLR GDS.