Cardiac Conduction System Disease

• Medizinische Abteilung, LKH Bruck — Bruck / Mur, Austria
• Innere Medizin - Kardiologie, Universitätsklinik Innsbruck — Innsbruck, Austria
• Med. Abteilung, AKH Linz — Linz, Austria
• Cardiology, Satakunta Central Hospital — Pori, Finland

• University of Texas at Houston — Houston, Texas, United States
• Hospital Universitário Pedro Ernesto — Rio de Janeiro, Brazil
• Universidade Gama Filho — Rio de Janeiro, Brazil
• Instituto Nacional de Cardiologia — Rio de Janeiro, Brazil

• Arrythmia Service Center — Ramat Gan, Israel

• UCSF Medical Center (Moffitt/Long, Mt. Zion) — San Francisco, California, United States

• Department of Internal Medicine, Division of Cardiology, Sanbon Hospital, Wonkwang University College of Medicine — Gunpo, Gyeonggi-do, South Korea
• Cardiovascular Center, Korea University Guro Hospital — Seoul, South Korea
• Korea Institute of Science and Technology — Seoul, South Korea

• Department of Internal Medicine, Division of Cardiology, Sanbon Hospital, Wonkwang University — Gunpo, Gyeonggi-do, South Korea
• Hong Seog Seo — Seoul, South Korea
• Korea Institute of Science and Technology — Seoul, South Korea

• University of Cologne — Cologne, North Rhine-Westphalia, Germany

Not specified

• University Hospital Mainz, II. Medical Clinic, Dept. of Electrophysiology — Mainz, Germany

• Riyadh, Saudi Arabia
• London, United Kingdom