About the Authors
- Yue Ma
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Affiliation West China School of Public Health, Sichuan University, Chengdu 610041, China
- Fei Yin
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Affiliation West China School of Public Health, Sichuan University, Chengdu 610041, China
- Tao Zhang
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Affiliation West China School of Public Health, Sichuan University, Chengdu 610041, China
- Xiaohua Andrew Zhou
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Affiliation Department of Biostatistics, School of Public Health, University of Washington, Seattle 98195, United States of America
- Xiaosong Li
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* E-mail: publichealth.scu@gmail.com
Affiliation West China School of Public Health, Sichuan University, Chengdu 610041, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: YM TZ FY XL. Performed the experiments: YM. Analyzed the data: YM. Wrote the paper: YM XAZ.