About the Authors

Robert Pool

robert.pool@cresib.cat

Affiliations Centre for International Health Research (CRESIB), University of Barcelona, Barcelona, Spain, Centre for Global Health and Inequality, University of Amsterdam, Amsterdam, The Netherlands

Catherine M. Montgomery

Affiliation Centre for International Health Research (CRESIB), University of Barcelona, Barcelona, Spain

Neetha S. Morar

Affiliation HIV Prevention Research Unit, Medical Research Council, Durban, South Africa

Oliver Mweemba

Affiliation Department of Community Medicine, University of Zambia, Lusaka, Zambia

Agnes Ssali

Affiliation MRC/UVRI Uganda Research Unit on AIDS, Medical Research Council UK/Uganda Virus Research Institute, Entebbe, Uganda

Mitzy Gafos

Affiliation Africa Centre for Health and Population Studies, University of KwaZulu-Natal, Mtubatuba, South Africa

Shelley Lees

Affiliation Infectious Disease Epidemiology Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom

Jonathan Stadler

Affiliation Reproductive Health and HIV Research Unit, Witwatersrand University, Johannesburg, South Africa

Angela Crook

Affiliation Medical Research Council Clinical Trials Unit, London, United Kingdom

Andrew Nunn

Affiliation Medical Research Council Clinical Trials Unit, London, United Kingdom

Richard Hayes

Affiliation Infectious Disease Epidemiology Unit, London School of Hygiene and Tropical Medicine, London, United Kingdom

Sheena McCormack

Affiliation Medical Research Council Clinical Trials Unit, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Took the lead in conceiving and designing the study, interpreting the data, and writing the paper: RP. Contributed to the conception and design of the study, interpretation of the data, and writing and final approval of the paper: CMM AN RJH SM. Collected the data, contributed to the paper and approved final version: NSM OM AS MJG SL JS. Contributed to the interpretation of the data, writing the paper and approved final version: AMC.