Tachycardia

• Arizona Arrhythmia Consultants — Scottsdale, Arizona, United States
• Hartford Hospital — Hartford, Connecticut, United States
• Baptist Medical Center Jacksonville — Jacksonville, Florida, United States
• Northwestern University — Chicago, Illinois, United States

• Nemocnice Na Homolce — Prague, Czechia

• Johns Hopkins Bayview Medical Center — Baltimore, Maryland, United States
• Howard County General Hospital — Columbia, Maryland, United States

• Landesklinikum St. Poelten — Sankt Pölten, Austria
• Queen Mary Hospital — Hong Kong, China
• Aarhus University Hospitals — Aarhus, Denmark
• Institut Cardiovasculaire - Paris Sud — Massy, France

• Vanderbilt University Medical Center — Nashville, Tennessee, United States

• Asklepios Klinik St. Georg — Hamburg, Germany

• Environmental and Autonomic Physiology Laboratory; University of Texas at Austin — Austin, Texas, United States

• UZ Brussel — Jette, Belgium

Not specified

• Department of Anesthesiology and Intensive care of the University of Rome La Sapienza — Rome, Italy