About the Authors

Chi Zhang

Contributed equally to this work with: Chi Zhang, Zhi-Yong Wang, Ying-Yi Qin, Fei-Fei Yu

Affiliation Department of Neurosurgery, Shanghai Seventh People's Hospital, Shanghai, China

Zhi-Yong Wang

Contributed equally to this work with: Chi Zhang, Zhi-Yong Wang, Ying-Yi Qin, Fei-Fei Yu

Affiliation Department of Information, Changhai Hospital, Second Military Medical University, Shanghai, China

Ying-Yi Qin

Contributed equally to this work with: Chi Zhang, Zhi-Yong Wang, Ying-Yi Qin, Fei-Fei Yu

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Fei-Fei Yu

Contributed equally to this work with: Chi Zhang, Zhi-Yong Wang, Ying-Yi Qin, Fei-Fei Yu

Affiliation Department of Health Statistics, Second Military Medical University, Shanghai, China

Yu-Hao Zhou

zhou_ly@126.com

Affiliation Department of Rehabilitation Institute, Shanghai Seventh People's Hospital, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YHZ. Performed the experiments: YHZ CZ YYQ FFY ZYW. Analyzed the data: YHZ YYQ FFY. Contributed reagents/materials/analysis tools: YHZ. Wrote the paper: YHZ.