AV Block

• Trinity Health Ann Arbor Hospital — Ypsilanti, Michigan, United States
• NY Presbyterian Weill Cornell Medicine — New York, United States
• Wake Forest University Health — Winston-Salem, North Carolina, United States
• Cardiology Consultants of Philadelphia — Paoli, Pennsylvania, United States

• Hospital Clínic de Barcelona — Barcelona, Spain

• University Hospitals of Leuven — Leuven, Flemish Brabant, Belgium

• Mercy Gilbert & Chandler Regional Medical Centers, Gilbert AZ — Gilbert, Arizona, United States
• University of Arizona College of Medicine- Phoenix — Tucson, Arizona, United States
• University of Arkansas for Medical Sciences (UAMS) — Little Rock, Arkansas, United States
• University of California San Diego — La Jolla, California, United States

• Hospital del Mar - IMIM — Barcelona, Spain

Not specified

Not specified

Not specified

• The First Teaching Hospital of Xinjiang Medical University — Ürümqi, Xinjiang, China

• Department of Cardiology Aarhus University Hospital — Aarhus, Region Midt, Denmark
• Department of Cardiology Odense University Hospital — Odense, Region Syd, Denmark