Ventricular Outflow Obstruction

• Sunnybrook Health Sciences Center — Toronto, Ontario, Canada
• Institut Universitaire de Cardiologie et de Pneumologie de Québec - Université Laval — Québec, Quebec, Canada

• Keck Hospital of University of Southern California — Los Angeles, California, United States
• University of California Los Angeles — Los Angeles, California, United States
• Hoag Memorial Hospital Presbyterian — Newport Beach, California, United States
• Stanford University — Palo Alto, California, United States

• Motol University Hospital — Prague, Czech Republic, Czechia

• Yale New Haven Hospital — New Haven, Connecticut, United States
• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States
• University of Michigan Health Systems — Ann Arbor, Michigan, United States
• Spectrum Health Hospitals — Grand Rapids, Michigan, United States

Not specified

• Catharina Hospital — Eindhoven, Netherlands

• Robert Bosch KH Stuttgart — Stuttgart, Germany
• Hospital de la Santa Creu I Sant Pau — Barcelona, Spain

• Hospital Universitari Germans Trias i Pujol — Badalona, Spain
• Hospital de la Santa Creu i Sant Pau — Barcelona, Spain
• Hospital Universitari Vall d'Hebron — Barcelona, Spain
• Hospital Clínic de Barcelona — Barcelona, Spain

• Dep. of Cardiology, Bern University Hospital — Bern, Switzerland

• Yale-New Haven Hospital — New Haven, Connecticut, United States
• The University of Kansas Hospital — Kansas City, Kansas, United States
• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States
• Morristown Memorial Hospital — Morristown, New Jersey, United States