About the Authors

Louise Kuhn

To whom correspondence should be addressed. E-mail: lk24@columbia.edu

Affiliation Gertrude H. Sergievsky Center, and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America

Moses Sinkala

Affiliation Lusaka District Health Management Team, Lusaka, Zambia

Chipepo Kankasa

Affiliation University Teaching Hospital, University of Zambia, Lusaka, Zambia

Katherine Semrau

Affiliation Center for International Health & Development, Boston University School of Public Health, Boston, Massachusetts, United States of America

Prisca Kasonde

Affiliation University Teaching Hospital, University of Zambia, Lusaka, Zambia

Nancy Scott

Affiliation Center for International Health & Development, Boston University School of Public Health, Boston, Massachusetts, United States of America

Mwiya Mwiya

Affiliation University Teaching Hospital, University of Zambia, Lusaka, Zambia

Cheswa Vwalika

Affiliation Lusaka District Health Management Team, Lusaka, Zambia

Jan Walter

Affiliation Gertrude H. Sergievsky Center, and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America

Wei-Yann Tsai

Affiliation Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, New York, United States of America

Grace M. Aldrovandi

Affiliation Department of Pediatrics, Children's Hospital Los Angeles, University of Southern California, Los Angeles, California, United States of America

Donald M. Thea

Affiliation Center for International Health & Development, Boston University School of Public Health, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MS GA LK CK DT. Performed the experiments: MS GA MM CK KS NS PK CV. Analyzed the data: LK DT JW WT. Wrote the paper: MS GA LK MM CK KS NS DT JW PK CV WT.