1. Massachusetts General Hospital, Harvard Medical School Boston MA USA
2. Division of Cardiology University of North Carolina School of Medicine Chapel Hill NC USA
3. Brigham and Women's Hospital Heart and Vascular Institute Harvard Medical School Boston MA USA
4. Division of Cardiology University of California Los Angeles Los Angeles CA USA
5. GB Pant Institute of Postgraduate Medical Education and Research New Delhi India
6. Section of Interventional Cardiology and Vascular Medicine, NorthShore University Health System University of Chicago Pritzker School of Medicine Evanston IL USA