Heart Failure NYHA Class III

• Complejo Hospitalario San José — Santiago, Chile
• Hospital Clínico Universidad de Chile — Santiago, Chile
• Hospital San Borja Arriarán — Santiago, Chile
• Universidad de La Frontera — Temuco, Chile

• Hospital District of Helsinki and Uusimaa, Helsinki University Hospital, Heart and Lung Center & Cardiac Unit — Helsinki, Uusimaa, Finland

• University of Washington Medical Center — Seattle, Washington, United States

• Av Capitão José Pessoa, 870, Jaguaribe — João Pessoa, Paraíba, Brazil

Not specified

Not specified

• Abbott Medical — Atlanta, Georgia, United States

• McGill University Health Centre — Montreal, Quebec, Canada

• Cardivascular Center OLV Aalst — Aalst, Belgium
• Ziekenhuis- Oost Limburg — Genk, Belgium
• Uniklinik Köln, Klinik III für Innere Medizin Herzzentrum der Universität zu Köln — Cologne, Germany
• Universitätsklinikum Giessen und Marburg GmbH, Standort Giessen Medizinische Klinik I, Abteilung Kardiologie und Angiologie — Giessen, Germany

• Ascension St Vincent's — Birmingham, Alabama, United States
• Huntsville Hospital — Huntsville, Alabama, United States
• Phoenix Cardiovascular Research Group/Insight — Phoenix, Arizona, United States
• Loma Linda University — Loma Linda, California, United States