About the Authors

Martha J. Holmes

martha.j.holmes@gmail.com

Affiliations MRC/UCT Medical Imaging Research Unit, Division of Biomedical Engineering, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, South Africa, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, South Africa

Frances C. Robertson

Affiliations MRC/UCT Medical Imaging Research Unit, Division of Biomedical Engineering, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, South Africa, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, South Africa

Francesca Little

Affiliation Department of Statistical Sciences, Faculty of Sciences, University of Cape Town, Rondebosch, Cape Town, South Africa

Steven R. Randall

Affiliation Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, South Africa

Mark F. Cotton

Affiliation Children’s Infectious Diseases Clinical Research Unit, Department of Paediatrics & Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa

Andre J. W. van der Kouwe

Affiliations A.A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, United States of America, Department of Radiology, Harvard Medical School, Boston, Massachusetts, United States of America

Barbara Laughton

Affiliation Children’s Infectious Diseases Clinical Research Unit, Department of Paediatrics & Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa

Ernesta M. Meintjes

Affiliations MRC/UCT Medical Imaging Research Unit, Division of Biomedical Engineering, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, South Africa, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: MJH EMM FCR. Data curation: MJH FCR. Formal analysis: MJH FCR. Funding acquisition: AJWvdK BL EMM. Investigation: EMM AJWvdK MJH. Methodology: EMM AJWvdK FCR MJH. Project administration: EMM AJWvdK BL MJH. Resources: EMM AJWvdK BL MFC. Software: MJH FCR. Supervision: EMM BL. Validation: MJH FCR. Visualization: MJH. Writing – original draft: MJH. Writing – review & editing: MJH FCR FL SRR MFC AJWvdW BL EMM.