About the Authors

Urvi M. Parikh

ump3@pitt.edu

Affiliation Department of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Photini Kiepiela

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

Shayhana Ganesh

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

Kailazarid Gomez

Affiliation FHI 360, Research Triangle Park, North Carolina, United States of America

Stephanie Horn

Affiliation FHI 360, Research Triangle Park, North Carolina, United States of America

Krista Eskay

Affiliation Department of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

Cliff Kelly

Affiliation Statistical Center for HIV/AIDS Research and Prevention, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Barbara Mensch

Affiliation Population Council, New York, New York, United States of America

Pamina Gorbach

Affiliation Department of Epidemiology, University of California Los Angeles, Los Angeles, California, United States of America

Lydia Soto-Torres

Affiliation Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Gita Ramjee

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

John W. Mellors

Affiliation Department of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America

on behalf of the IPTc Taskforce

Membership of the MTN-009 Protocol Team is provided in the Acknowledgments

Competing Interests

The co-authors UMP, PK, SG, KG, SH, KE, CK, BM, PG, LS-T, and GR have declared that no competing interests exist. JM has read the journal’s policy and has the following conflicts: University of Pittsburgh–Employee; RFS Pharmaceuticals–Consultant, owns shares in shre options; Gilead Sciences–Consultant; and, Janssen Pharmaceuticals–Honorarium. JM’s conflicts do not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: UMP PK SG KG SH BM PG LST. Performed the experiments: PK SG KE. Analyzed the data: UMP KE CK BM PG. Wrote the paper: UMP BM PG GR JWM.