1. Icahn School of Medicine at Mount Sinai; New York New York
2. London School of Hygiene and Tropical Medicine; London United Kingdom
3. San Raffaele Hospital; Milan Italy
4. Harvard Medical School; Cambridge Massachusetts
5. Helios Amper-Klinikum; Dachau Germany
6. St Luke's Mid America Heart Institute, University of Missouri-Kansas City; Kansas City Missouri
7. University of Kentucky; Lexington Kentucky
8. Moses Cone Heart and Vascular Center, LeBauer Cardiovascular Research Foundation; Greensboro North Carolina
9. Cedars-Sinai Medical Center; Los Angeles
10. Hôpital Bichat-Claude Bernard; Paris France