Heart Valve Diseases

• University Hospital - Univ. of Alabama at Birmingham (UAB) — Birmingham, Alabama, United States
• Banner - University Medical Center Phoenix — Phoenix, Arizona, United States
• John Muir Medical Center — Concord, California, United States
• Scripps Green Hospital — La Jolla, California, United States

• University of Southern California — Los Angeles, California, United States
• Emory University — Atlanta, Georgia, United States
• University of Maryland — Baltimore, Maryland, United States
• Suburban Hospital — Bethesda, Maryland, United States

• Fuwai Hospital Chinese Academy of Medical Sciences (CAMS) — Beijing, Beijing Municipality, China

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Cardiology Associates of Mobile, Inc. — Mobile, Alabama, United States
• Arkansas Heart Hospital — Little Rock, Arkansas, United States
• Scripps Health — La Jolla, California, United States

• Humanitas — Milan, Italy

• Aarhus Universitetshospital — Aarhus, Denmark
• Rigshospitalet — Copenhagen, Denmark
• Odense University Hospital — Odense, Denmark
• Kerckhoff-Klinik GmbH Herz und Thorax Zentrum Abteilung Kardiologie/Kardiochirurgie — Bad Nauheim, Germany

• Helsinki University Hospital — Helsinki, Finland
• Kuopio University Hospital — Kuopio, Finland
• Turku University Hospital — Turku, Finland
• St Antonius Hospital — Utrecht, Netherlands

• Ultrasound Medicine Department of Xijing Hospital, Fourth Military Medical University — Xi'an, Shaanxi, China

• Sir Run Run Shaw Hospital — Hangzhou, Zhejiang, China

Not specified