Heart Failure

• Department of Medicine, Division of Cardiology, Pulmonology and Vascular Medicine — Aachen, North Rhine-Westphalia, Germany

• Kantonsspital Luzern — Lucerne, Canton of Lucerne, Switzerland

• Hvidovre University Hospital — Hvidovre, Denmark

• VA Medical Center, Birmingham — Birmingham, Alabama, United States
• Carl T. Hayden VA Medical Center — Phoenix, Arizona, United States
• Southern Arizona VA Health Care System, Tucson — Tucson, Arizona, United States
• Central Arkansas VHS Eugene J. Towbin Healthcare Ctr, Little Rock — No. Little Rock, Arkansas, United States

• Department ofCardiology, Aarhus University Hospital, Skejby — Aarhus, Central Jutland, Denmark

• Kaohsiung Veterans General Hospital — Kaohsiung, Taiwan

Not specified

• Albert Einstein Healthcare Network — Philadelphia, Pennsylvania, United States

• University of Alberta — Edmonton, Alberta, Canada

Not specified