St. Boniface General Hospital, Winnipeg, Manitoba, Canada
Queen Elizabeth II Health Sciences Center, Halifax, Nova Scotia, Canada
Hamilton General Hospital, Hamilton, Ontario, Canada
Ospedali Riuniti di Bergamo, Bergamo, Italy
Cardiology Association of NE Arkansas, Jonesboro, Arkansas, United States
Genesis Heart Institute, Davenport, Iowa, United States
UZ Brussel, Brussels, Belgium
San Diego Cardiac Center, San Diego, California, United States
Universitatsklinikum Bonn, Bonn, Germany
Hamburg University CardioVascular Center, Hamburg, Germany
HELIOS Klinikum, Siegburg, Germany
Hamburg University CardioVascular Center, Hamburg, Germany
Krankenhaus der Barmherzigen Bruder, Trier, Germany
Universitatsklinikum Bonn, Bonn, Germany
California Pacific Medical Center, San Francisco, California, United States
University of Colorado Hospital, Aurora, Colorado, United States
Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States
Royal Free Hospital - Dept of Clinical Neurosciences, London, United Kingdom