1. Division of Cardiology, Lifespan Cardiovascular Institute, Warren Alpert Medical School of Brown University, Providence, RI.
2. Knight Cardiovascular Institute, Oregon Health & Science University, Portland, OR.
3. Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH.
4. Department of Diagnostic Radiology, Cleveland Clinic, Cleveland, OH.
5. Department of Intensive Care and Resuscitation, Anesthesiology Institute, Cleveland Clinic, Cleveland, OH.
6. Department of Internal Medicine, Cleveland Clinic, Cleveland, OH.
7. Department of Vascular Surgery, Cleveland Clinic, Cleveland, OH.