Heart Failure

• Hospital Universitario Puerta de Hierro — Majadahonda, Madrid, Spain
• Hospital Universitario Rey Juan Carlos — Móstoles, Madrid, Spain
• Hospital de la Santa Creu i Santa Pau (Fundación Privada Hospital de la Santa Creu i Sant Pau — Barcelona, Spain
• Hospital Universitari de Bellvitge — Barcelona, Spain

• University of Rochester Medical Center — Rochester, New York, United States

• University of Utah — Salt Lake City, Utah, United States

• Many Locations — Multiple Locations, Spain

• Cardiology University Clinic — Alexandroupoli, Greece

• Keimyung University Hospital — Daegu, South Korea
• Seoul National University Bundang Hospital — Seongnam, South Korea
• Catholic University college of medicine — Seoul, South Korea
• Korea Univ. Guro hospital — Seoul, South Korea

• Universitaire Ziekenhuizen Leuven — Leuven, Belgium
• Oslo University Hospital — Oslo, Norway

• Providence Alaska Medical Center — Anchorage, Alaska, United States
• CardioVascular Associates of Mesa — Mesa, Arizona, United States
• Arrhythmia Research Group — Jonesboro, Arkansas, United States
• Comprehensive Cardiovascular Medical Group — Bakersfield, California, United States

• Skiftinge VC — Eskilstuna, Sweden

Not specified