About the Authors

Pei Liu

Contributed equally to this work with: Pei Liu, Chan Li

Affiliation The First Affiliated Hospital of Dalian Medical University, Dalian, China

Chan Li

Contributed equally to this work with: Pei Liu, Chan Li

Affiliation Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, China

Nan Zheng

Affiliation Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, China

Qiang Xu

Affiliation Department of Radiology, The 403 Affiliated Hospital of Chinese PLA General Hospital, Dalian, China

Sheng-Bo Yu

suihj@hotmail.com (HJS); ysbdmu@126.com (SBY)

Affiliation Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, China

Hong-Jin Sui

suihj@hotmail.com (HJS); ysbdmu@126.com (SBY)

Affiliations Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian, China, Dalian Hoffen Preservation Institution, Dalian, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HJS SBY. Data curation: PL CL. Formal analysis: PL NZ QX. Funding acquisition: HJS SBY NZ. Investigation: PL CL QX. Methodology: PL CL. Project administration: HJS SBY. Resources: HJS. Software: PL NZ. Supervision: HJS. Validation: HJS. Visualization: PL CL. Writing – original draft: CL PL SBY. Writing – review & editing: CL HJS.