About the Authors

Lijun Yang

Roles Writing – original draft

‡ These authors are co first authors on this work.

Affiliation First Clinical Medical College of Shanxi Medical University, Taiyuan, Shanxi Province, China

Huiniu Hao

Roles Writing – original draft

‡ These authors are co first authors on this work.

Affiliation First Clinical Medical College of Shanxi Medical University, Taiyuan, Shanxi Province, China

Xinhuan Zhang

Contributed equally to this work with: Xinhuan Zhang, Xiaorui Ren, Miao Xu, Nan Zhang, Yudan Zhang

Roles Investigation

Affiliation First Clinical Medical College of Shanxi Medical University, Taiyuan, Shanxi Province, China

Xiaorui Ren

Contributed equally to this work with: Xinhuan Zhang, Xiaorui Ren, Miao Xu, Nan Zhang, Yudan Zhang

Roles Methodology

Affiliation First Clinical Medical College of Shanxi Medical University, Taiyuan, Shanxi Province, China

Miao Xu

Contributed equally to this work with: Xinhuan Zhang, Xiaorui Ren, Miao Xu, Nan Zhang, Yudan Zhang

Roles Data curation

Affiliation First Clinical Medical College of Shanxi Medical University, Taiyuan, Shanxi Province, China

Nan Zhang

Contributed equally to this work with: Xinhuan Zhang, Xiaorui Ren, Miao Xu, Nan Zhang, Yudan Zhang

Roles Data curation

Affiliation First Clinical Medical College of Shanxi Medical University, Taiyuan, Shanxi Province, China

Yudan Zhang

Contributed equally to this work with: Xinhuan Zhang, Xiaorui Ren, Miao Xu, Nan Zhang, Yudan Zhang

Roles Supervision

Affiliation Department of Obstetrics, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China

Hailan Yang

Roles Writing – review & editing

yanghailan100@163.com

Affiliation Department of Obstetrics, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China

Competing Interests

The authors have declared that no competing interests exist.