Cardiac Dysfunction

• Department of Cardiology, University Hospital Basel — Basel, Canton of Basel-City, Switzerland
• Institute of Social and Preventive Medicine, University of Bern — Bern, Canton of Bern, Switzerland
• Department of Cardiology, Inselspital Bern — Bern, Switzerland
• Department of Cardiology, University Hospitals of Geneva — Geneva, Switzerland

• The People's Hospital of Bozhou — Haozhou, Anhui, China
• Beijing Hospital of Traditional Chinese Medicine — Beijing, Beijing Municipality, China
• Dongfang Hospital,Beijing University of Chinese Medicine — Beijing, Beijing Municipality, China
• Guang'anmen Hospital,China Academy of Chinese Medical Sciences — Beijing, Beijing Municipality, China

• Amiens hospital — Amiens, France

Not specified

• Massachusetts General Hospital — Boston, Massachusetts, United States

• Division of Cardiology, Department of Internal Medicine, Yonsei University College of Medicine — Seoul, South Korea

• Rigshospitalet — Copenhagen, Denmark

• Memorial Sloan Kettering Cancer Center (All Protocol Activities) — New York, United States