Cardiac Conduction System Disease

• Southwest Cardiovascular Associates — Mesa, Arizona, United States
• Pacific Arrhythmia Services — Mesa, Arizona, United States
• Banner Arizona Medical Clinic — Peoria, Arizona, United States
• Banner Good Samaritan Medical Center — Phoenix, Arizona, United States

• Birmingham, Alabama, United States
• Anchorage, Alaska, United States
• Gilbert, Arizona, United States
• Scottsdale, Arizona, United States

• Hospital General UNiversitario Gregorio Marañon — Madrid, Spain

• Hospital Universitario Puerta de Hierro — Madrid, Spain
• Hospital Clínico Universitario Virgen de la Victoria — Málaga, Spain

• Herlev-Gentofte Hospital — Herlev, Copenhagen, Denmark

Not specified

• Hopital Laennec — Nantes, France

• CHU Pontchaillou - CCP — Rennes, France

• Institute for Clinical and Experimental Medicine — Prague, Czechia
• University Hospital of Aarhus — Aarhus, Denmark
• Universitäts Medizin Mannheim — Mannheim, Baden-Wurttemberg, Germany
• Herz- und Gefäßklinik Bad Neustadt — Bad Neustadt an der Saale, Bavaria, Germany

• North Estonia Medical Centre — Tallinn, Estonia
• Tartu University Hospital — Tartu, Estonia
• Praxis Dr. med. Bernhardt — Annaberg-Buchholz, Germany
• Zentralklinik Bad Berka GmbH — Bad Berka, Germany