About the Authors

Tony Robertson

tony.robertson@ed.ac.uk

Affiliation Scottish Collaboration for Public Health Research & Policy, University of Edinburgh, Edinburgh, United Kingdom

Michaela Benzeval

Affiliations Institute for Social & Economic Research, University of Essex, Colchester, Essex, United Kingdom, Medical Research Council/Chief Scientist Office Social and Public Health Sciences Unit, University of Glasgow (Visiting Professor), Glasgow, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TR MB. Performed the experiments: TR. Analyzed the data: TR. Contributed reagents/materials/analysis tools: TR. Wrote the paper: TR MB.