Cardiac Pacing, Artificial

• University Hospital of St. Pölten — Sankt Pölten, Lower Austria, Austria

• San Luca Hospital — Milan, MI, Italy

• University hospital Antwerp — Edegem, Antwerp, Belgium

• 180 Fenglin Road — Shanghai, China

• University Hospital Geneva — Geneva, Canton of Geneva, Switzerland

Not specified

• University hospital Antwerp — Edegem, Antwerp, Belgium

• Foothills Hospital — Calgary, Alberta, Canada
• London Health Sciences — London, Ontario, Canada
• Quebec Heart Institute — Ste-Foy, Quebec, Canada

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

• Sydney Adventist Hospital — Sydney, Australia
• A.ö. Krankenhaus der Stadt Linz — Linz, Austria
• Krankenhaus der Barmherzigen Schwestern Ried — Ried, Austria
• A. ö. Landeskrankenhaus Steyr — Steyr, Austria