About the Authors

Karen Daniels

karen.daniels@mrc.ac.za

Affiliation Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa

David Sanders

Affiliations School of Public Health, University of the Western Cape, Bellville, South Africa, School of Child and Adolescent Health, Faculty of Health Sciences, University of Cape Town, Rondebosch, South Africa

Emmanuelle Daviaud

Affiliation Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa

Tanya Doherty

Affiliations Health Systems Research Unit, South African Medical Research Council, Cape Town, South Africa, School of Public Health, University of the Western Cape, Bellville, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KD DS ED TD. Performed the experiments: KD ED TD. Analyzed the data: KD TD. Contributed reagents/materials/analysis tools: KD DS ED TD. Wrote the paper: KD DS ED TD.