1. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, Connecticut.
2. Department of Cardiology, Bethune First Hospital of Jilin University, Changchun, China.
3. Department of Pathology, Yale School of Medicine, New Haven, Connecticut.
4. Department of Cellular and Molecular Physiology, Yale University, New Haven, Connecticut.
5. Yale Stem Cell Center, New Haven, Connecticut.