Left Ventricular Dysfunction

• Azienda Ospedaliera Universitaria di Ferrara — Ferrara, Italy
• Cardiothoracic and Vascular Department (DICATOV) IRCCS, Ospedale Policlinico San Martino — Genova, Italy
• Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) dell'Ospedale San Raffaele — Milan, Italy
• Ospedale Galeazzi di Sant'Ambrogio IRCCS — Milan, Italy

• M Health Fairview Clinics and Surgery Center — Minneapolis, Minnesota, United States

Not specified

• Jewish General Hospital — Montreal, Quebec, Canada

• University of Alabama — Birmingham, Alabama, United States
• St. Joseph's Medical Center - Phoenix — Phoenix, Arizona, United States
• Northwest Medical Center Tucson — Tucson, Arizona, United States
• Arkansas Cardiology — Little Rock, Arkansas, United States

• Cedars-Sinai Medical Center — Los Angeles, California, United States
• Sutter Health — San Francisco, California, United States
• Medstar Washington Hospital Center — Washington D.C., District of Columbia, United States
• Piedmont — Atlanta, Georgia, United States

• University Medical Centre Vienna — Vienna, Austria
• Institute for experimental and translational cardiovascular imaging — Frankfurt am Main, Hesse, Germany
• University Hospital Greifswald — Greifswald, Germany
• University Hospital Schleswig-Holstein, Campus KIEL — Kiel, Germany

• Alaska Heart Institute — Anchorage, Alaska, United States
• Phoenix Heart, PLLC — Glendale, Arizona, United States
• Cardiovascular Consultants — Phoenix, Arizona, United States
• Beaver Medical Group/Clinical Care Research — Banning, California, United States

• IKEM Prague — Prague, Czechia
• Universitätsklinikum Heidelberg - Klinik für Herzchirurgie — Heidelberg, Baden-Wurttemberg, Germany
• RWTH Uniklinik Aachen - Klinik für Herzchirurgie — Aachen, North Rhine-Westphalia, Germany
• Universitätsklinikum Düsseldorf, Klinik für Herzchirurgie — Düsseldorf, North Rhine-Westphalia, Germany

• Department of Cardiology, Herlev and Gentofte University Hospital, University of Copenhagen — Hellerup, Copenhagen, Denmark