Heart Valve Diseases

• Abbott Northwestern Hospital Cardiac Surgical Associates — Minneapolis, Minnesota, United States
• Mayo Clinic — Rochester, Minnesota, United States
• Mission Hospital — Asheville, North Carolina, United States
• Hospital of the University of Pennsylvania — Philadelphia, Pennsylvania, United States

• Shonan Kamakura General Hospital — Kamakura, Kanagawa, Japan
• Osaka University Hospital — Suita, Osaka, Japan
• National Cerebral and Cardiovascular Center — Suita, Osaka, Japan
• Saitama Medical University — Hidaka, Saitama, Japan

• Adelaide Royal Hospital — Adelaide, Australia
• Rigshospitalet Copenhagen — Copenhagen, Denmark
• Kerckhoff Klinik — Bad Nauheim, Germany
• Heart Center Bernau — Bernau, Germany

• Royal Victoria Hospital — Belfast, United Kingdom

Not specified

• Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine — Seoul, South Korea

• Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine — Seoul, South Korea

• Hospital de Clínicas Gaspar Viana — Belém, Pará, Brazil

• Karolinska University Hospital — Stockholm, Sweden

Not specified