About the Authors

Steffanie A. Strathdee

sstrathdee@ucsd.edu

Affiliation School of Medicine, University of California San Diego, La Jolla, California, United States of America

Remedios Lozada

Affiliation Patronado Pro-COMUSIDA A.C., Tijuana, Mexico

Victoria D. Ojeda

Affiliation School of Medicine, University of California San Diego, La Jolla, California, United States of America

Robin A. Pollini

Affiliation School of Medicine, University of California San Diego, La Jolla, California, United States of America

Kimberly C. Brouwer

Affiliation School of Medicine, University of California San Diego, La Jolla, California, United States of America

Alicia Vera

Affiliation School of Medicine, University of California San Diego, La Jolla, California, United States of America

Wayne Cornelius

Affiliation Department of Political Science, University of California San Diego, La Jolla, California, United States of America

Lucie Nguyen

Affiliation School of Medicine, University of California San Diego, La Jolla, California, United States of America

Carlos Magis-Rodriguez

Affiliation Centro Nacional para la Prevención y el Control del VIH/SIDA, Mexico City, Mexico

Thomas L. Patterson

Affiliations School of Medicine, University of California San Diego, La Jolla, California, United States of America, Department of Veterans Affairs Medical Center, San Diego, La Jolla, California, United States of America

for Proyecto El Cuete

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SS RL TLP. Performed the experiments: RL AV. Analyzed the data: VO KCB LN. Contributed reagents/materials/analysis tools: RP WC CMR TLP. Wrote the paper: SS VO WC LN.