About the Authors

Yingying Feng

Roles Data curation, Project administration, Visualization, Writing – original draft

Affiliation Department of Obstetrics, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Hongshan District, Wuhan, China

Tingting Huang

Roles Conceptualization, Methodology, Supervision, Validation, Writing – review & editing

tingtinghuang312@163.com

Affiliation Department of Obstetrics, Maternal and Child Health Hospital of Hubei Province, Tongji Medical College, Huazhong University of Science and Technology, Hongshan District, Wuhan, China

Competing Interests

The authors have declared that no competing interests exist.