1. Division of Cardiology, Department of Medicine, Columbia University Medical Center/New York-Presbyterian Hospital, New York, NY, USA
2. Yale/YNHH Center for Outcomes Research & Evaluation, New Haven, CT, USA
3. Cardiovascular Research Foundation (CRF), New York, NY, USA
4. Respiratory Department, Hospital Ramón y Cajal and Medicine Department, Universidad de Alcalá (IRYCIS), Madrid, Spain
5. Divisions of Cardiology and Hematology & Thromboembolism, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
6. Division of Vascular and Interventional Radiology, Stanford University Medical Center, Stanford, CA, USA
7. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA