Implantable Defibrillator User

• John C. Lincoln North Mountain Hospital — Phoenix, Arizona, United States
• Central Cardiology — Bakersfield, California, United States
• Scripps Health — La Jolla, California, United States
• Florida Hospital — Orlando, Florida, United States

• KU Leuven, Div. of Cardiology — Leuven, Belgium
• National Heart Hospital, Dept. of Cardiology — Sofia, Bulgaria
• Acibadem City Clinic Tokuda Hospital, Div. of Cardiology — Sofia, Bulgaria
• St. Ekaterina Hospital, Div. of Cardiology — Sofia, Bulgaria

• CHU Besancon — Besançon, Besancon, France

• Sheikh Khalifa Medical City — Abu Dhabi, United Arab Emirates

• University of Florida Aging — Gainesville, Florida, United States

Not specified