About the Authors

Ingrid Elise Amlie Hegertun

Contributed equally to this work with: Ingrid Elise Amlie Hegertun, Kristin Marie Sulheim Gundersen

Affiliations Centre for Imported and Tropical Diseases, Department of Infectious Diseases Ullevaal, Oslo University Hospital, Oslo, Norway, University of Oslo, Oslo, Norway

Kristin Marie Sulheim Gundersen

Contributed equally to this work with: Ingrid Elise Amlie Hegertun, Kristin Marie Sulheim Gundersen

kmsgundersen@gmail.com

Affiliations Centre for Imported and Tropical Diseases, Department of Infectious Diseases Ullevaal, Oslo University Hospital, Oslo, Norway, University of Oslo, Oslo, Norway

Elisabeth Kleppa

Affiliations Centre for Imported and Tropical Diseases, Department of Infectious Diseases Ullevaal, Oslo University Hospital, Oslo, Norway, University of Oslo, Oslo, Norway

Siphosenkosi Gift Zulu

Affiliation School of Public Health Medicine, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa

Svein Gunnar Gundersen

Affiliations Research Department, Sorlandet Hospital HF, Kristiansand, Norway, Institute for Development Studies, University of Agder, Kristiansand, Norway

Myra Taylor

Affiliation School of Public Health Medicine, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa

Jane D. Kvalsvig

Affiliation School of Public Health Medicine, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa

Eyrun Floerecke Kjetland

Affiliations Centre for Imported and Tropical Diseases, Department of Infectious Diseases Ullevaal, Oslo University Hospital, Oslo, Norway, School of Biological and Conservation Sciences, University of KwaZulu-Natal, Durban, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MT EFK SGG KMSG IEAH JDK. Performed the experiments: IEAH KMSG SGZ EK MT EFK. Analyzed the data: IEAH KMSG EFK MT. Contributed reagents/materials/analysis tools: SGG IEAH KMSG EFK MT EK. Wrote the paper: IEAH KMSG EK SGZ SGG MT JDK EFK. Substantial contributions to conception and design: IEAH KMSG SGG MT JDK EFK. Acquisition of data: IEAH KMSG EK SGZ SGG MT EFK. Analysis and interpretation of data: IEAH KMSG EK SGZ SGG MT JDK EFK. Drafting the article or revising it critically for important intellectual content: IEAH KMSG EK SGZ SGG MT JDK EFK. Final approval of the version to be published: IEAH KMSG EK SGZ SGG MT JDK EFK.