About the Authors

Frank Dunstan

DunstanFD@cardiff.ac.uk

Affiliation Institute of Primary Care and Public Health, School of Medicine, Cardiff University, Cardiff, United Kingdom

David L. Fone

Affiliation Institute of Primary Care and Public Health, School of Medicine, Cardiff University, Cardiff, United Kingdom

Myer Glickman

Affiliation Office for National Statistics, Newport, United Kingdom

Stephen Palmer

Affiliation Institute of Primary Care and Public Health, School of Medicine, Cardiff University, Cardiff, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FD DF SP MG. Performed the experiments: FD DF. Analyzed the data: FD. Contributed reagents/materials/analysis tools: FD MG. Wrote the paper: FD SP DF.