Heart Block

• Mercy Gilbert Medical Center — Gilbert, Arizona, United States
• Cardiovascular Consultants, LTD — Glendale, Arizona, United States
• Pima Heart Physicians, PC — Tucson, Arizona, United States
• Sharp Grossmont Hospital — La Mesa, California, United States

• Kepler University Hospital — Linz, Upper Austria, Austria

• The Heart Hospital Baylor of Plano — Plano, Texas, United States

• Banner Heart Hospital — Mesa, Arizona, United States
• USC Medical Center — Los Angeles, California, United States
• University of California, San Francisco — San Francisco, California, United States
• Washington Hospital Center — Washington D.C., District of Columbia, United States

• New York University School of Medicine — New York, United States

• Germans Trias i Pujol University Hospital — Badalona, Barcelona, Spain

• Ziekenhuis Oost Limburg — Genk, Limburg, Belgium

Not specified

• CHU Pontchaillou - CCP — Rennes, France

• Queen Mary Hospital, The University Hospital of Hong Kong — Hong Kong