About the Authors
- Diane Gu
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Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
- Yurong Mao
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Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
- Zhenzhu Tang
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Affiliation Guangxi Center of Disease Control and Prevention, Nanning, Guangxi, China
- Julio Montaner
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Affiliation BC Center for Excellence in HIV/AIDS, University of British Columbia, Vancouver, BC, Canada
- Zhiyong Shen
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Affiliation Guangxi Center of Disease Control and Prevention, Nanning, Guangxi, China
- Qiuying Zhu
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Affiliation Guangxi Center of Disease Control and Prevention, Nanning, Guangxi, China
- Roger Detels
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Affiliation Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, United States of America
- Xia Jin
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Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
- Ran Xiong
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Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
- Juan Xu
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Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
- Walter Ling
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Affiliation Integrated Substance Abuse Programs, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States of America
- Lynda Erinoff
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Affiliation National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD, USA
- Robert Lindblad
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Affiliation The EMMES Corporation, Rockville, MD, United States of America
- David Liu
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Affiliation National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD, USA
- Paul Van Veldhuisen
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Affiliation The EMMES Corporation, Rockville, MD, United States of America
- Albert Hasson
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Affiliation Integrated Substance Abuse Programs, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States of America
- Zunyou Wu
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* E-mail: wuzy@263.net
Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Competing Interests
RL and PV are employees of the EMMES Corporation. The EMMES Corporation is contracted by NIDA to provide technical support to the study. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The rest of co-authors declared no competing interests.
Author Contributions
Conceived and designed the experiments: YM ZW. Performed the experiments: DG YM ZT ZS QZ XJ RX JX. Analyzed the data: DG YM XJ. Contributed reagents/materials/analysis tools: DG. Wrote the paper: DG ZW. Interpret data and revision of manuscript: DG YM JM RD WL LE RL DL PV AH ZW.