About the Authors
- Xiaojuan Lu
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Roles Conceptualization, Data curation, Funding acquisition, Methodology, Writing – original draft, Writing – review & editing
Affiliation School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou, China
- Jiamei Zhang
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Roles Methodology, Visualization, Writing – review & editing
Affiliation School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou, China
- Qingling He
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Roles Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing
* E-mail: qinglinghe@yeah.net
Affiliation School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou, China
- Shiyu Zheng
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Roles Conceptualization, Data curation, Visualization, Writing – review & editing
Affiliation College of Transportation Engineering, Chang’an University, Xi’an, China
- Juan Su
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Roles Funding acquisition, Supervision, Writing – review & editing
Affiliation School of Economics and Management, Qingdao Institute of Technology, Qingdao, China
Competing Interests
The authors have declared that no competing interests exist.