Arrhythmias, Cardiac

• Korea University Anam Hospital — Seoul, South Korea
• Korea University Guro Hospital — Seoul, South Korea
• Seoul National University Hospital — Seoul, South Korea

• Korea University Ansan Hospital — Ansan, South Korea
• Pusan National University Hospital — Busan, South Korea
• Kosin University Gospel Hospital — Busan, South Korea
• Chungnam National University Hospital — Daejeon, South Korea

• Mobile Heart Specialists, Pc — Mobile, Alabama, United States
• Southwest Heart — Tucson, Arizona, United States
• Cardiology Consultants Of Orange County Med. Group Inc — Anaheim, California, United States
• Kaiser Permanente Medical Center, West Los Angeles — Los Angeles, California, United States

• Kyoto University Graduate School of Medicine — Kyoto, Japan

• Heart Institute of Hospiral Clinics of the University of São Paulo Medical School — São Paulo, Brazil

• Unidad de Arritmias, Hospital Clínico San Carlos — Madrid, Spain

• CHU de Brest — Brest, France
• CHU Grenoble — Grenoble, France
• CH La Rochelle — La Rochelle, France
• AP-HM - Hôpital Nord — Marseille, France

• Brookwood Medical Center — Birmingham, Alabama, United States
• Cardiovascular Associates of the Southeast, LLC — Birmingham, Alabama, United States
• Integrated Medical Services, Inc./IMS Cardiology — Avondale, Arizona, United States
• Chula Vista Cardiac Center — Chula Vista, California, United States

• Catholic Medical Center — Manchester, New Hampshire, United States
• Vanderbilt University Medical Center — Nashville, Tennessee, United States

Not specified