Ospedale Cisanello, Pisa, Italy
Azienda Sanitaria Osperaliera Ordine Mauriziano, Torino, Italy
Providence Health & Services, Portland, Oregon, United States
Michigan Heart, P.C., Ypsilanti, Michigan, United States
Altru Health System Hospital, Grand Forks, North Dakota, United States
Little Rock Cardiology Clinic, Little Rock, Arkansas, United States
The Emory Clinic - Crawford Long Hospital, Atlanta, Georgia, United States
Midwest Heart Research Foundation, Lombard, Illinois, United States
Riverside Methodist Hospital, Columbus, Ohio, United States
St. Joseph Medical Center, Towson, Maryland, United States
Northern Michigan Hospital, Petoskey, Michigan, United States
Arkansas Cardiology, Little Rock, Arkansas, United States
Arkansas Heart Hospital, Little Rock, Arkansas, United States
Deborah Heart and Lung Center, Browns Mills, New Jersey, United States
Arkansas Heart Hospital, Little Rock, Arkansas, United States
Alaska Heart Institute, Anchorage, Alaska, United States
Arizona Arrhythmia Research, Scottsdale, Arizona, United States
Deborah Heart and Lung Center, Browns Mills, New Jersey, United States
Arkanasas Heart Hospital, Little Rock, Arkansas, United States
Baptist Health Hospital, Little Rock, Arkansas, United States
Maria-Hilf Franziskus-Krankenhaus, Mönchengladbach, Germany
Henry Dunant Hospital, Athens, Greece
Medizinisches Versorgungszentrum, Dachau, Germany
Departement of Cardiology - Electrophysiology- Heart Centre Osnabrück - Bad Rothenfelde, Bad Rothenfelde, Germany
Hall-Garcia Cardiology Associates, Houston, Texas, United States