About the Authors

Suzanne H. Gage

Affiliations MRC Integrative Epidemiology Unit (IEU) at the University of Bristol, Bristol, United Kingdom, UK Centre for Tobacco and Alcohol Studies, School of Experimental Psychology, University of Bristol, Bristol, United Kingdom

George Davey Smith

Affiliations MRC Integrative Epidemiology Unit (IEU) at the University of Bristol, Bristol, United Kingdom, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Jennifer J. Ware

Affiliations MRC Integrative Epidemiology Unit (IEU) at the University of Bristol, Bristol, United Kingdom, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Jonathan Flint

Affiliation Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, United Kingdom

Marcus R. Munafò

marcus.munafo@bristol.ac.uk

Affiliations MRC Integrative Epidemiology Unit (IEU) at the University of Bristol, Bristol, United Kingdom, UK Centre for Tobacco and Alcohol Studies, School of Experimental Psychology, University of Bristol, Bristol, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.