About the Authors

James C. M. Brust

jcmbrust@gmail.com

Affiliations Department of Medicine, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, United States of America, Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa

Melissa Lygizos

Affiliations Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, University of Michigan School of Medicine, Ann Arbor, Michigan, United States of America

Krisda Chaiyachati

Affiliations Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, University of Michigan School of Medicine, Ann Arbor, Michigan, United States of America

Michelle Scott

Affiliations Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, Harvard University School of Medicine, Boston, Massachusetts, United States of America

Theo L. van der Merwe

Affiliations Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, Philanjalo, Tugela Ferry, South Africa

Anthony P. Moll

Affiliations Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, Philanjalo, Tugela Ferry, South Africa

Xuan Li

Affiliation Department of Medicine, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, United States of America

Marian Loveday

Affiliations Health Systems Research Unit, Medical Research Council, Cape Town, South Africa, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa

Sheila A. Bamber

Affiliations Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, Philanjalo, Tugela Ferry, South Africa

Umesh G. Lalloo

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

Gerald H. Friedland

Affiliations Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, Yale University School of Medicine, New Haven, Connecticut, United States of America

N. Sarita Shah

Affiliations Department of Medicine, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, United States of America, Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, Department of Epidemiology and Population Health, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, United States of America

Neel R. Gandhi

Affiliations Department of Medicine, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, United States of America, Tugela Ferry Care and Research Collaboration (TF CARES), Tugela Ferry, South Africa, Department of Epidemiology and Population Health, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, United States of America

Competing Interests

U.G.L. has no competing interests with respect to this study. He has consulted for GlaxoSmithKline, Boehringer Ingelheim, Merck Sharp and Dohme, and AstraZeneca) and has received financial support from these companies to attend research conferences. The current study, however, was not funded by these or any other pharmaceutical or device companies. None of the companies listed were involved in any part of the study's design, execution, or analysis and Dr. Lalloo's relationship with the listed companies does not affect the authors' adherence to any of PLoS One's policies on sharing data and materials. None of the other authors has any competing or potentially competing interests.

Author Contributions

Conceived and designed the experiments: JCMB ML KC MS APM UGL GHF NSS NRG. Performed the experiments: JCMB ML KC MS TLvdM APM SAB. Analyzed the data: JCMB ML KC XL NSS NRG. Wrote the paper: JCMB KC ML UGL GHF NSS NRG.