About the Authors
- Richard G. Watt
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* E-mail: r.watt@ucl.ac.uk
Affiliation Department of Epidemiology and Public Health, University College London, London, United Kingdom
- Georgios Tsakos
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Affiliation Department of Epidemiology and Public Health, University College London, London, United Kingdom
- Cesar de Oliveira
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Affiliation Department of Epidemiology and Public Health, University College London, London, United Kingdom
- Mark Hamer
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Affiliation Department of Epidemiology and Public Health, University College London, London, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RGW GT CO MH. Analyzed the data: MH. Wrote the paper: RGW. Interpretation of data: RGW GT CO MH. Critical comments on drafts of paper: GT CO MH.