About the Authors

Haiwei Xu

Contributed equally to this work with: Haiwei Xu, Baoshan Xu, Qiang Yang

Affiliations Department of Spine Surgery, Tianjin Hospital, Tianjin, China, Graduate School, Tianjin Medical University, Tianjin, China

Baoshan Xu

Contributed equally to this work with: Haiwei Xu, Baoshan Xu, Qiang Yang

xubaoshan99@126.com (BX); yangqiang1980@126.com (QY)

Affiliation Department of Spine Surgery, Tianjin Hospital, Tianjin, China

Qiang Yang

Contributed equally to this work with: Haiwei Xu, Baoshan Xu, Qiang Yang

xubaoshan99@126.com (BX); yangqiang1980@126.com (QY)

Affiliations Department of Spine Surgery, Tianjin Hospital, Tianjin, China, Graduate School, Tianjin Medical University, Tianjin, China

Xiulan Li

Affiliation Cell Engineering Laboratory of Orthopaedic Institute, Tianjin Hospital, Tianjin, China

Xinlong Ma

Affiliation Department of Spine Surgery, Tianjin Hospital, Tianjin, China

Qun Xia

Affiliation Department of Spine Surgery, Tianjin Hospital, Tianjin, China

Yang Zhang

Affiliation Cell Engineering Laboratory of Orthopaedic Institute, Tianjin Hospital, Tianjin, China

Chunqiu Zhang

Affiliation School of Mechanical Engineering, Tianjin University of Technology, Tianjin, China

Yaohong Wu

Affiliations Department of Spine Surgery, Tianjin Hospital, Tianjin, China, Graduate School, Tianjin Medical University, Tianjin, China

Yuanyuan Zhang

Affiliation Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HX BX QY. Performed the experiments: HX XL Yang Zhang. Analyzed the data: XM QX CZ. Contributed reagents/materials/analysis tools: YW. Wrote the paper: HX BX QY Yuanyuan Zhang.