About the Authors

Mareli M. Claassens

. * E-mail: mcla@sun.ac.za

Affiliations Desmond Tutu Tuberculosis Centre, Department of Paediatrics and Child Health, Stellenbosch University, Parow, South Africa, Department of Clinical Epidemiology, Biostatistics and Bio-informatics, University of Amsterdam, Amsterdam, The Netherlands

Cari van Schalkwyk

Affiliation The South African Department of Science and Technology / National Research Foundation Centre of Excellence in Epidemiological Modelling and Analysis, Stellenbosch University, Stellenbosch, South Africa

Elizabeth du Toit

Affiliation Desmond Tutu Tuberculosis Centre, Department of Paediatrics and Child Health, Stellenbosch University, Parow, South Africa

Eline Roest

Affiliation Desmond Tutu Tuberculosis Centre, Department of Paediatrics and Child Health, Stellenbosch University, Parow, South Africa

Carl J. Lombard

Affiliations Desmond Tutu Tuberculosis Centre, Department of Paediatrics and Child Health, Stellenbosch University, Parow, South Africa, Biostatistics Unit, Medical Research Council, Parow, South Africa

Donald A. Enarson

Affiliations Desmond Tutu Tuberculosis Centre, Department of Paediatrics and Child Health, Stellenbosch University, Parow, South Africa, International Union Against Tuberculosis and Lung Disease, Paris, France

Nulda Beyers

Affiliation Desmond Tutu Tuberculosis Centre, Department of Paediatrics and Child Health, Stellenbosch University, Parow, South Africa

Martien W. Borgdorff

Affiliation Department of Clinical Epidemiology, Biostatistics and Bio-informatics, University of Amsterdam, Amsterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MMC NB DAE. Performed the experiments: EDT MMC. Analyzed the data: MMC CVS ER CJL MWB. Wrote the manuscript: MMC CVS ER EDT CJL NB DAE MWB.