About the Authors

Kate Buchacz

Affiliation Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Miao-Jung Chen

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

Maree Kay Parisi

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

Maya Yoshida-Cervantes

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

Erin Antunez

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

Viva Delgado

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

Nicholas J. Moss

Affiliation Alameda County Public Health Department, Oakland, California, United States of America

Susan Scheer

Susan.Scheer@sfdph.org

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KB SS. Performed the experiments: KB SS MP MJC MYC EA VD NM. Analyzed the data: MJC KB SS. Contributed reagents/materials/analysis tools: MJC MYC EA. Wrote the paper: KB SS MJC MP MYC EA VD NM. The manuscript was critically reviewed and subsequently approved by: KB MJC MP MYC EA VD NM SS.