About the Authors
- Christiane Horwood
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* E-mail: horwoodc@ukzn.ac.za
Affiliation Centre for Rural Health, University of KwaZulu-Natal, Durban, KwaZulu Natal, South Africa
- Lisa M. Butler
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Affiliation University of California, San Francisco, Department of Epidemiology and Biostatistics and Global Health Sciences, San Francisco, California, United States of America
- Lyn Haskins
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Affiliation Centre for Rural Health, University of KwaZulu-Natal, Durban, KwaZulu Natal, South Africa
- Sifiso Phakathi
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Affiliation Centre for Rural Health, University of KwaZulu-Natal, Durban, KwaZulu Natal, South Africa
- Nigel Rollins
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Affiliations Department of Maternal, Newborn, Child and Adolescent Health, World Health Organization, Geneva, Switzerland, Department of Paediatrics and Child Health, University of KwaZulu-Natal, Durban, KwaZulu Natal, South Africa
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: NR CH. Performed the experiments: CH LH SP NR. Analyzed the data: LB CH LH SP. Wrote the paper: CH LB LH SP NR.