About the Authors

Marianne E. Visser

marianne.visser@gmail.com

Affiliation School of Public Health, University of the Western Cape, Cape Town, South Africa

Michael C. Stead

Affiliations MRC Centre for Molecular and Cellular Biology, University of Stellenbosch, Cape Town, South Africa, Division of Medical Microbiology, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town, South Africa

Gerhard Walzl

Affiliation MRC Centre for Molecular and Cellular Biology, University of Stellenbosch, Cape Town, South Africa

Rob Warren

Affiliation MRC Centre for Molecular and Cellular Biology, University of Stellenbosch, Cape Town, South Africa

Michael Schomaker

Affiliation School of Public Health and Family Medicine, Centre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa

Harleen M. S. Grewal

Affiliation Section of Microbiology and Immunology, The Gade Institute, University of Bergen, Haukeland University Hospital, Bergen, Norway

Elizabeth C. Swart

Affiliation Division of Dietetics, University of the Western Cape, Cape Town, South Africa

Gary Maartens

Affiliation Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MEV HMSG GW RW ECS GM. Performed the experiments: MEV MCS. Analyzed the data: MEV MCS MS GM. Contributed reagents/materials/analysis tools: HMSG GW RW MS. Wrote the paper: MEV MCS GW RW HMSG MS ECS GM.