Aortic Valve Regurgitation

• HonorHealth Research & Innovation Institute — Scottsdale, Arizona, United States
• Scripps Memorial Hospital La Jolla — La Jolla, California, United States
• Cedars Sinai — Los Angeles, California, United States
• Stanford University Medical Center — Palo Alto, California, United States

• University of California — San Francisco, California, United States
• South Broward Hospital Disctrict D/B/A Memorial Healthcare System — Hollywood, Florida, United States
• William Beaumont Hospital — Royal Oak, Michigan, United States
• Mayo Clinic — Rochester, Minnesota, United States

• Cardiovascular Center OLV Clinic Aalst — Aalst, Belgium
• International Clinical Research Center, St. Anne´s University Hospital Brno — Brno, Czechia
• Center of Cardiovascular and Transplant Surgery — Brno, Czechia
• University Hospital Hradec Králové — Hradec Králové, Czechia

• Fujian Provincial Hospital, Affiliated to Fuzhou University — Fuzhou, Fujian, China
• Renmin Hospital of Wuhan University — Wuhan, Hubei, China
• Xiangya Hospital of Central South University — Changsha, Hunan, China
• Second Xiangya Hospital of Central South University — Changsha, Hunan, China

• Petrovsky National Research Center of Surgery — Moscow, Russia
• Voronezh Regional Clinical Hospital No. 1 — Voronezh, Russia

• Cliniques Universitaires Saint-Luc — Brussels, Belgium

• McGill University Health Center — Montreal, Quebec, Canada

• Xijing Hospital — Xi'an, Shannxi, China

• Shanghai General Hospital — Shanghai, Shanghai Municipality, China

Not specified