About the Authors
- Dongxu Wang
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Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Writing – original draft, Writing – review & editing
* E-mail: 195052383@qq.com
Affiliations School of Economics and Management, Beijing Jiaotong University, Beijing, China, China National Medical Device CO., LTD, Beijing, China
- Xifeng Ning
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Roles Data curation, Formal analysis, Investigation, Visualization, Writing – original draft
Affiliation PetroChina Planning and Engineering Institute, Beijing, China
Competing Interests
The authors have declared that no competing interests exist.