About the Authors

Rong Lin

Contributed equally to this work with: Rong Lin, Yiyi Tao, Yibing Yu

Affiliation Department of Anaesthesiology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China

Yiyi Tao

Contributed equally to this work with: Rong Lin, Yiyi Tao, Yibing Yu

Affiliation Department of Anaesthesiology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China

Yibing Yu

Contributed equally to this work with: Rong Lin, Yiyi Tao, Yibing Yu

Affiliation Department of Anaesthesiology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China

Zhendong Xu

Affiliation Department of Anaesthesiology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China

Jing Su

Affiliation Department of Anaesthesiology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China

Zhiqiang Liu

drliuzhq@hotmail.com

Affiliation Department of Anaesthesiology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZL. Performed the experiments: RL YT YY ZX JS. Analyzed the data: RL. Contributed reagents/materials/analysis tools: YT YY. Contributed to the writing of the manuscript: RL ZL.