About the Authors
Division of Cardiology, Shanghai Sixth Hospital, Shanghai Jiao Tong University School of Medicine, State Key Discipline Division, Shanghai, People's of Republic of China
The authors have declared that no competing interests exist.
Performed the experiments: YL WZ JT. Analyzed the data: PX ML JL. Wrote the paper: YL WZ MW. Designed the experiment: YL WZ MW. Interpreted the data: YL WZ MW..