Atrial Fibrillation

• Jeroen Bosch Ziekenhuis — 's-Hertogenbosch, Netherlands
• Twenteborg — Almelo, Netherlands
• VUMC — Amsterdam, Netherlands
• Rijnstate Ziekenhuis — Arnhem, Netherlands

• Barts and The London NHS Trust — London, United Kingdom

• Samsung Medical Center — Seoul, South Korea

• Coepenhagen University Hospital, Rigshospitalet — Copenhagen, Copenhagen Ø, Denmark

• Hopital Lariboisiere, Internal Medicine "A" and Cardiology Services — Paris, France

• Halmstad hospital — Halmstad, Halland County, Sweden
• South hospital — Stockholm, Stockholm County, Sweden
• Danderyds hospital AB — Stockholm, Stockholm County, Sweden

• Kantonsspital Luzern, Department of Cardiology — Lucerne, Canton of Lucerne, Switzerland

• Southern Arizona VA Health Care System, Tucson — Tucson, Arizona, United States
• Central Arkansas VHS Eugene J. Towbin Healthcare Ctr, Little Rock — No. Little Rock, Arkansas, United States
• VA Central California Health Care System, Fresno — Fresno, California, United States
• VA Medical Center, Loma Linda — Loma Linda, California, United States

Not specified

• Hvidovre Hospital — Copenhagen, Hvidovre, Denmark