Heart Failure

• Institute of Sports- and Preventive Medicine, Saarland University — Saarbrücken, Saarland, Germany

• Summa Health System — Akron, Ohio, United States

• Klinika Chirurgii Serca, Naczyń i Transplantologii, Szpital im.Jan Pawłą II — Krakow, Poland
• Klinika Kardiochirurgii CSK MSWiA — Warsaw, Poland
• II Klinika Kardiochirurgii Instytutu Kardiologii — Warsaw, Poland
• Klinika Niewydolności Serca i Transplantologii Instytutu Kardiologii — Warsaw, Poland

• University of Milano — Milan, Italy
• University of Milano — Milan, Italy

• Wake Forest University Baptist Medical Center, Department of Cardiology — Winston-Salem, North Carolina, United States
• Medical University of South Carolina and Ralph H. Johnson VA Medical Center — Charleston, South Carolina, United States

• Laboratorio Ricerche Cardiologiche. Istituto Auxologico Italiano. Ospedale S. Luca. Via Spagnoletto, 3. Regina Margherita Hut (Monte Rosa, Italian Alps, 4559 m) — Milan, Italy

• Johns Hopkins University School of Medicine — Baltimore, Maryland, United States

Not specified

Not specified

• Research Site — Abbeville, France
• Research Site — Aix-en-Provence, France
• Research Site — Aix-les-Bains, France
• Research Site — Ajaccio, France