Mitral Regurgitation

• Universitaetsklinikum Linz — Linz, Austria
• Universitaetsklinikum Wien — Vienna, Austria
• UZ Leuven — Leuven, Belgium
• CHU de Bordeaux — Bordeaux, France

• Istituto Clinico Humanitas — Rozzano, Milano, Italy
• IRCCS Ospedale San Raffaele — Milan, Italy
• Central Clinical Hospital of the Ministry of Internal Affairs and Administration, Warsaw, Poland — Warsaw, Poland

• University of Bonn — Bonn, Germany
• CVC Frankfurt — Frankfurt, Germany
• University of Mainz — Mainz, Germany
• Hippokration Hospital — Athens, Greece

• Heinrich Heine University Div. of Cardiology, Pulmonary Disease and Vasculae Medicine — Düsseldorf, Germany

• Amsterdam Medical Center (AMC) — Amsterdam, Netherlands
• Amphia Breda — Breda, Netherlands
• Medisch Spectrum Twente (MST) — Enschede, Netherlands
• Leiden University Medical Center (LUMC) — Leiden, Netherlands

Not specified

• Parkland Health — Dallas, Texas, United States
• University of Texas Southwestern Medical Center — Dallas, Texas, United States

Not specified

• Beijing Anzhen Hospital — Beijing, Beijing Municipality, China

• University of Ottawa Heart Institute — Ottawa, Ontario, Canada