About the Authors
- Xiaofang Wang
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Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Changping District, Beijing, People's Republic of China
- Jessie L. Norris
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Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Changping District, Beijing, People's Republic of China
- Yingjie Liu
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Affiliation Institute for AIDS/STD Control and Prevention, Beijing Chaoyang District Center for Disease Control and Prevention, Chaoyang District, Beijing, People's Republic of China
- Sten H. Vermund
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Affiliation Vanderbilt Institute for Global Health, Departments of Pediatrics and Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America
- Han-Zhu Qian
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Affiliation Vanderbilt Institute for Global Health, Departments of Pediatrics and Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America
- Ling Han
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Affiliation Department of Sociology, University of California San Diego, San Diego, California, United States of America
- Ning Wang
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* E-mail: wangnbj@163.com
Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Changping District, Beijing, People's Republic of China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: XW NW. Performed the experiments: XW YL. Analyzed the data: XW SHV HZQ. Contributed reagents/materials/analysis tools: LH. Wrote the paper: XW JLN. Assisted with financial support of the experiments: NW.