Aortic Valve, Calcification of

• CHU Lille Insitut Coeur Poumon — Lille, France
• Hopital Bichat Claude-Bernard — Paris, France
• Hopital Europeen Georges Pompidou — Paris, France
• CHU Reims Hopital Robert Debré — Reims, France

• University Clinic Tübingen, Department of Internal Medicine III — Tübingen, Baden-Wurttemberg, Germany
• University Clinic Ulm, Department of Internal Medicine II — Ulm, Baden-Wurttemberg, Germany
• Herz- und Diabeteszentrum — Bad Oeynhausen, North Rhine-Westphalia, Germany
• Academisch Medisch Centrum (AMC) — Amsterdam, Netherlands

• Clinical Research Facility University of Edinburgh — Edinburgh, United Kingdom

• CHU de Caen — Caen, France
• Hôpital Européen Georges Pompidou — Paris, France
• Hôpital Charles Nicolle — Rouen, France

• Instituto Nacional Ignacio Chavez — Mexico City, Mexico

• Instituto Nacional Ignacio Chavez — Mexico City, Mexico

• University Clinic Tübingen, Department of Internal Medicine III — Tübingen, Baden-Wurttemberg, Germany
• University Clinic Ulm, Department of Internal Medicine II — Ulm, Baden-Wurttemberg, Germany
• Herzzentrum, Universität Köln — Cologne, North Rhine-Westphalia, Germany
• Universitätsklinikum Münster, Klinik und Poliklinik für Erwachsene mit angeborenen und erworbenen Herzfehlern — Münster, North Rhine-Westphalia, Germany

• Malcom Randall VA Medical Center — Gainesville, Florida, United States

Not specified

• Arkansas Heart Hospital/Clinic — Little Rock, Arkansas, United States
• Scripps Green Hospital — La Jolla, California, United States
• Scripps Memorial Hospital — La Jolla, California, United States
• Cedars-Sinai Medical Center — Los Angeles, California, United States