About the Authors
- Michael Rudolph
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Affiliation Siyakhana Initiative, University of the Witwatersrand Health Consortium, Johannesburg, Gauteng, South Africa
- Florian Kroll
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Affiliation Siyakhana Initiative, University of the Witwatersrand Health Consortium, Johannesburg, Gauteng, South Africa
- Moira Beery
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Affiliation Siyakhana Initiative, University of the Witwatersrand Health Consortium, Johannesburg, Gauteng, South Africa
- Edmore Marinda
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Affiliation School of Public Health, University of the Witwatersrand Faculty of Health Sciences, Johannesburg, Gauteng, South Africa
- Jean-Francois Sobiecki
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Affiliation Centre for Anthropological Research, Faculty of Humanities, University of Johannesburg, Gauteng, South Africa
- Geoffrey Douglas
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* E-mail: geoff@hetn.org
Affiliation Health Empowerment Through Nutrition, Malvern, Worcestershire, United Kingdom
- Gary Orr
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Affiliation Health Empowerment Through Nutrition, Malvern, Worcestershire, United Kingdom
Competing Interests
This study was partly funded by BHP Billiton and Econocom Foods. Econocom Foods produces e'pap. GAD has received speaking grants and honoraria from Cytoplan (United Kingdom), FoodState (South Africa) and Sportron (South Africa). GO has received educational sponsorships from Eli Lilly, Lundbeck, and Astra Zeneca and was a previous employee of Bristol Myers Squibb Pharmaceuticals (United Kingdom) Ltd. There are no further patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Revising the article critically for important intellectual content and final approval of the version to be published: MR FK MB EM JS GAD GO. Conceived and designed the experiments: MR FK JS GAD GO. Performed the experiments: FK MB JS. Analyzed the data: MB EM GAD GO. Contributed reagents/materials/analysis tools: FK EM GAD. Wrote the paper: FK GAD.