About the Authors

Zhongheng Zhang

zh_zhang1984@hotmail.com

Affiliation Department of Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, Zhejiang, P.R. China

Hongying Ni

Affiliation Department of Critical Care Medicine, Jinhua Municipal Central Hospital, Jinhua Hospital of Zhejiang University, Zhejiang, P.R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZZ. Performed the experiments: ZZ HN. Analyzed the data: ZZ. Contributed reagents/materials/analysis tools: ZZ. Wrote the paper: HN ZZ.