1 Arrhythmia Department, Teknon Heart Institute, Teknon Medical Center, Barcelona, Spain; Cardiology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, University Sapienza, Rome, Italy.
2 Arrhythmia Department, Teknon Heart Institute, Teknon Medical Center, Barcelona, Spain.
3 Arrhythmia Department, Teknon Heart Institute, Teknon Medical Center, Barcelona, Spain. Electronic address: [email protected].