1. Clinical Cardiac Electrophysiology SectionThe Ohio State University Columbus Ohio
2. Heart Rhythm ProgramSouthlake Regional Health Centre Ontario Canada
3. Cardiac Arrhythmia ServiceJohns Hopkins Hospital Baltimore Maryland
4. Department of NeurologyMassachusetts General Hospital Boston Massachusetts
5. Department of Neurological SciencesUniversity of Nebraska Medical Center Omaha Nebraska
6. Heart and Vascular DepartmentSwedish Medical Center Cherry Hill Seattle Washington
7. Department of ElectrophysiologyAsheville Cardiology Asheville North Carolina
8. Atrial Fibrillation SolutionsMedtronic, Inc Minneapolis Minnesota
9. Heart Rhythm CenterIowa Heart Center Des Moines Iowa
10. Heart InstitutePiedmont Hospital Atlanta Georgia
11. Heart and Vascular CenterEmory University Hospital Atlanta Georgia
12. Department of CardiologySt. Antonius Ziekenhuis Nieuwegein The Netherlands