1. Cardiac Arrhythmia Service ‐ Santa Casa Hospital São Paulo Brazil
2. Bioengineering Service of Heart InstituteUniversity of São Paulo Medical School São Paulo Brazil
3. Cardiac Arrhythmias and Electrophysiology Unit, Heart InstituteUniversity of Sao Paulo Medical School São Paulo Brazil
4. Endoscopy Service of Clinics' HospitalUniversity of São Paulo Medical School São Paulo Brazil