About the Authors

Phillip Jones

Affiliation College of Medicine, Institute of Life Sciences 2, Swansea University, Swansea, United Kingdom

David Gunnell

Affiliation School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

Stephen Platt

Affiliation Centre for Population Health Sciences, University of Edinburgh Medical School, United Kingdom

Jonathan Scourfield

Affiliation School of Social Sciences, Cardiff University, United Kingdom

Keith Lloyd

Affiliation College of Medicine, Institute of Life Sciences 2, Swansea University, Swansea, United Kingdom

Peter Huxley

Affiliation College of Medicine, Institute of Life Sciences 2, Swansea University, Swansea, United Kingdom

Ann John

Affiliation College of Medicine, Institute of Life Sciences 2, Swansea University, Swansea, United Kingdom

Babar Kamran

Affiliation College of Medicine, Institute of Life Sciences 2, Swansea University, Swansea, United Kingdom

Claudia Wells

Affiliation Office for National Statistics, Government Buildings, Newport, United Kingdom

Michael Dennis

m.s.dennis@swansea.ac.uk

Affiliation College of Medicine, Institute of Life Sciences 2, Swansea University, Swansea, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PJ MD DG KL PH JS SP. Performed the experiments: PJ MD. Analyzed the data: PJ. Contributed reagents/materials/analysis tools: PJ MD CW. Wrote the paper: PJ MD DG KL PH JS SP AJ BK CW. Interpretation of data: PJ MD DG KL PH JS SP AJ BK CW.