About the Authors
- Hongjie Liu
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* E-mail: hliu1210@umd.edu
Affiliation Department of Epidemiology and Biostatistics, School of Public Health, University of Maryland, College Park, Maryland, United States of America
- Yongfang Xu
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Affiliation Nanning Center for Disease Control and Prevention, Nanning, Guangxi, China
- Xinjin Lin
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Affiliation Nanning Center for Disease Control and Prevention, Nanning, Guangxi, China
- Jian Shi
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Affiliation Nanning Center for Disease Control and Prevention, Nanning, Guangxi, China
- Shiyi Chen
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Affiliation Nanning Center for Disease Control and Prevention, Nanning, Guangxi, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: HL. Performed the experiments: YX XL JS SC. Analyzed the data: HL YX. Contributed reagents/materials/analysis tools: XY JS SC. Wrote the paper: HL XY XL.