About the Authors
- Guanghui Jin
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Affiliation Department of General Practice, School of General Practice and Continuing Education, Capital Medical University, Beijing, P. R. China
- Yali Zhao
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Affiliation Department of General Practice, School of General Practice and Continuing Education, Capital Medical University, Beijing, P. R. China
- Chao Chen
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Affiliation Department of General Practice, School of General Practice and Continuing Education, Capital Medical University, Beijing, P. R. China
- Wenji Wang
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Affiliation Puren Hospital, Beijing, P. R. China
- Juan Du
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Affiliation Department of General Practice, School of General Practice and Continuing Education, Capital Medical University, Beijing, P. R. China
- Xiaoqin Lu
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* E-mail: xq6518@163.com
Affiliation Department of General Practice, School of General Practice and Continuing Education, Capital Medical University, Beijing, P. R. China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: GHJ XQL YLZ. Performed the experiments: GHJ CC WJW. Analyzed the data: GHJ. Contributed reagents/materials/analysis tools: GHJ XQL JD. Wrote the paper: GHJ YLZ XQL.