About the Authors

Art F. Y. Poon

afpoon@ucsd.edu

Affiliation Division of Comparative Pathology and Medicine, University of California San Diego, La Jolla, California, United States of America

Kimberly C. Brouwer

Affiliation Division of Global Public Health, Department of Medicine, University of California San Diego, La Jolla, California, United States of America

Steffanie A. Strathdee

Affiliation Division of Global Public Health, Department of Medicine, University of California San Diego, La Jolla, California, United States of America

Michelle Firestone-Cruz

Affiliation Division of Global Public Health, Department of Medicine, University of California San Diego, La Jolla, California, United States of America

Remedios M. Lozada

Affiliation Patronato proCOMUSIDA, Tijuana, Baja California, México

Sergei L. Kosakovsky Pond

Affiliation Division of Infectious Diseases and Division of Biomedical Informatics, School of Medicine, University of California San Diego, La Jolla, California, United States of America

Douglas D. Heckathorn

Affiliation Department of Sociology, Cornell University, Ithaca, New York, United States of America

Simon D. W. Frost

Affiliation Laboratory of Viral Zoonotics, Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AFYP KCB SS SF. Performed the experiments: AFYP KCB SS MFC RL. Analyzed the data: AFYP. Contributed reagents/materials/analysis tools: AFYP SLKP DDH. Wrote the paper: AFYP SF.