About the Authors

Andrew R. Zolopa

azolopa@stanford.edu

Affiliation Stanford University AIDS Clinical Trials Unit, Stanford University, Stanford, California, United States of America

Janet Andersen

Affiliation Statistical and Data Analysis Center, Harvard School of Public Health, Boston, Massachusetts, United States of America

Lauren Komarow

Affiliation Statistical and Data Analysis Center, Harvard School of Public Health, Boston, Massachusetts, United States of America

Ian Sanne

Affiliation Wits Health Consortium, Helen Joseph Hospital, Johannesburg, South Africa

Alejandro Sanchez

Affiliation University of Southern California, Los Angeles, California, United States of America

Evelyn Hogg

Affiliation Social & Scientific Systems, Inc., Silver Spring, Maryland, United States of America

Carol Suckow

Affiliation Frontier Science & Technology Research Foundation, Amherst, New York, United States of America

William Powderly

Affiliation University College Dublin, Belfield, Ireland

for the ACTG A5164 study team

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ARZ JA IS EH CS WP. Performed the experiments: ARZ IS AS WP. Analyzed the data: ARZ JA LK IS AS CS WP. Contributed reagents/materials/analysis tools: LK CS. Wrote the paper: ARZ JA LK IS AS EH CS WP. Chair of protocol: ARZ. Senior statistician: JA.