1. Northwestern University Feinberg School of Medicine; Departments of Preventive Medicine and Medicine (Cardiology); 680 N. Lake Shore Drive, Suite 1400 Chicago IL USA 60611
2. Northwestern University Feinberg School of Medicine; Departments of Medicine (Cardiology); Chicago IL USA 60611
3. Northwestern University; Galter Health Sciences Library; 303 E. Chicago Avenue Chicago IL USA 60611
4. Northwestern University; Department of Surgery; 676 N.Saint Clair St. Suite 1700 Chicago IL USA 60611
5. Northwestern Medicine; Bluhm Cardiovascular Institute; 201 East Huron, Galter 11-140 Chicago IL USA 60611
6. Northwestern University; Division of Cardiac Surgery; 201 E. Huron Street Galter 11-140 Chicago IL USA 60611
7. Northwestern University; Division of Cardiac Surgery; 201 E. Huron Street Galter 11-140 Chicago, IL USA 60611