About the Authors
- Jim McCambridge
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* E-mail: Jim.McCambridge@lshtm.ac.uk
Affiliation Faculty of Public Health & Policy, London School of Hygiene & Tropical Medicine, London, United Kingdom
- Marijn de Bruin
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Affiliation Department of Communication Science, Wageningen University, Wageningen, The Netherlands
- John Witton
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Affiliation National Addiction Centre, King’s College London, London, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JM. Performed the experiments: JM MdB JW. Analyzed the data: JM MdB. Contributed reagents/materials/analysis tools: JM JW. Wrote the paper: JM MdB JW.