About the Authors

BaiNan Xu
Department of Neurosurgery, Chinese People's Liberation Army(PLA) General Hospital, Beijng, People's Republic of China

Corresponding Author

kkmmhouyz@sina.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YZH XLC BNX. Performed the experiments: YZH XLC. Analyzed the data: YZH XLC. Contributed reagents/materials/analysis tools: XLC BNX. Wrote the paper: YZH.