About the Authors
- Rui Ma
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Contributed equally to this work with: Rui Ma, Xuegang Dai
Roles Methodology, Writing – original draft, Writing – review & editing
Affiliation Information Center, Gansu Provincial Maternity and Child care Hospital (GansuProvincial Central Hospital), Gansu, China
- Xuegang Dai
-
Contributed equally to this work with: Rui Ma, Xuegang Dai
Roles Conceptualization, Investigation, Project administration, Supervision
Affiliation Information Center, Gansu Provincial Maternity and Child care Hospital (GansuProvincial Central Hospital), Gansu, China
- Zuochao Yang
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Roles Data curation, Formal analysis
Affiliation Information Center, Gansu Provincial Maternity and Child care Hospital (GansuProvincial Central Hospital), Gansu, China
- Zhixiong Wei
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Roles Data curation, Formal analysis, Visualization
Affiliation Information Center, Gansu Provincial Maternity and Child care Hospital (GansuProvincial Central Hospital), Gansu, China
- Bin Zhang
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Roles Project administration
* E-mail: 1353660050@qq.com
Affiliation Information Center, Gansu Provincial Maternity and Child care Hospital (GansuProvincial Central Hospital), Gansu, China
Competing Interests
The authors have declared that no competing interests exist.