Aortic Stenosis, Severe

• Scripps Memorial Hospital La Jolla — La Jolla, California, United States
• Kaiser Los Angeles — Los Angeles, California, United States
• Cedars-Sinai Medical Center — Los Angeles, California, United States
• Hoag Memorial Hospital Presbyterian — Newport Beach, California, United States

• St Bartholomew's Hospital — London, England, United Kingdom

• Saint Petersburg State University Clinic — Saint Petersburg, Sankt-Peterburg, Russia

• IRCCS Istituo Clinico Humanitas — Rozzano, Milano, Italy

• Banner University Medical Center — Phoenix, Arizona, United States
• University of California Los Angeles — Los Angeles, California, United States
• Sutter Medical Center — Sacramento, California, United States
• Kaiser Permanente San Francisco — San Francisco, California, United States

• University Hospital Goettingen — Göttingen, Germany

• Glenfield Hospital — Leicester, Leicestershire, United Kingdom

• Policlinico Agostino Gemelli — Roma, Italy

Not specified

• Hopital Bichat — Paris, France
• Hopital Europeen Georges Pompidou — Paris, France
• CHU Rouen Hopital Charles Nicolle — Rouen, France
• Marienkrankenhaus — Hamburg, Germany