About the Authors
- Hongpeng Sun
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Affiliation Department of Biostatistics, School of Public Health, Harbin Medical University, Harbin, People's Republic of China
- Qiuju Zhang
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Affiliation Department of Biostatistics, School of Public Health, Harbin Medical University, Harbin, People's Republic of China
- Xiao Luo
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Affiliation Department of Biostatistics, School of Public Health, Harbin Medical University, Harbin, People's Republic of China
- Hude Quan
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Affiliation Department of Community Health Sciences and Centre for Health and Policy Studies, University of Calgary, Calgary, Canada
- Feng Zhang
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Affiliation Department of Biostatistics, School of Public Health, Harbin Medical University, Harbin, People's Republic of China
- Chang Liu
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Affiliation Department of Biostatistics, School of Public Health, Harbin Medical University, Harbin, People's Republic of China
- Meina Liu
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* E-mail: liumeina369@163.com
Affiliation Department of Biostatistics, School of Public Health, Harbin Medical University, Harbin, People's Republic of China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: ML HS HQ. Analyzed the data: HS QZ. Wrote the paper: HS XL FZ CL.