1Cleveland Clinic, Cleveland
2University and Royal Infirmary of Edinburgh, Edinburgh
3University of Heidelberg, Heidelberg, Germany
4Duke University, Durham, N.C.
5Rush Medical College, Chicago
6Hartford Hospital, Hartford, Conn.
7Hôpital Pitié-Salpêtrière
8Sunnybrook and Women's College Health Science Centre, Toronto
9Brigham and Women's Hospital and Harvard Medical School, Boston
10Rhode Island Hospital and Brown University, Providence
11Royal Brompton Hospital, London
12University of Texas Health Science Center at San Antonio, San Antonio
13Kerckhoff-Klinik Center, Bad Nauheim, Germany
14Royal Perth Hospital and School of Medicine and Pharmacology, University of Western Australia, Perth
15University of California – San Francisco, San Francisco
16Gleneagles Medical Centre, Singapore
17Sainte-Anne Hospital
18Institut de cardiologie [CHU Pitié-Salpêtrière]
19University of Rochester School of Medicine, Rochester, N.Y.
20Hopital Bichat
21University of Kentucky, Lexington
22SUNY Downstate Medical Center, Brooklyn, N.Y.
23Case Western Reserve University, Cleveland