About the Authors

Beryl A. Koblin

bkoblin@nybloodcenter.org

Affiliation Laboratory of Infectious Disease Prevention, New York Blood Center, New York, New York, United States of America

Kenneth H. Mayer

Affiliation Fenway Health and Beth Israel Deaconess Hospital, Boston, Massachusetts, United States of America

Susan H. Eshleman

Affiliation Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Lei Wang

Affiliation Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Sharon Mannheimer

Affiliation Department of Medicine, Harlem Hospital/Columbia University and Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America

Carlos del Rio

Affiliation Department of Global Health, Emory University Rollins School of Public Health and Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, United States of America

Steven Shoptaw

Affiliation Department of Family Medicine, University of California Los Angeles, Los Angeles, California, United States of America

Manya Magnus

Affiliation Department of Epidemiology and Biostatistics, School of Public Health and Health Services George Washington University, Washington, DC, United States of America

Susan Buchbinder

Affiliation San Francisco Department of Public Health, San Francisco, California, United States of America

Leo Wilton

Affiliation Department of Human Development, College of Community and Public Affairs, Binghamton University, New York, New York, United States of America

Ting-Yuan Liu

Affiliation Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Vanessa Cummings

Affiliation Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Estelle Piwowar-Manning

Affiliation Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America

Sheldon D. Fields

Affiliation Florida International University-College of Nursing and Health Sciences, Miami, Florida, United States of America

Sam Griffith

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

Vanessa Elharrar

Affiliation Clinical Prevention Research Branch/PSP/DAIDS/NIAID/NIH, Bethesda, Maryland, United States of America

Darrell Wheeler

Affiliation Graduate School of Social Work, Loyola University Chicago, Chicago, Illinois, United States of America

for the HPTN 061 Protocol Team

Membership of the HPTN 061 Protocol Team is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BAK KHM DW LW SDF SHE SG VE. Performed the experiments: BAK KHM SM CDR SS MM SB VC EP-M SG. Analyzed the data: LW T-YL BAK. Wrote the paper: BAK KHM SHE LW SG.