1. Section of Cardiac Surgery, Department of Surgery, Yale School of Medicine, New Haven, Connecticut
2. Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, New York
3. Huashan Hospital, Fudan University, Shanghai, China
4. Division of Cardiology, Department of Medicine, University of Washington School of Medicine, Seattle
5. Division of Cardiology, Department of Medicine, University of Florida College of Medicine, Gainesville