Laboratory of Invasive Cardiac Electrophysiology;
'Evangelismos' General Hospital of Athens;
Athens;
Greece;
Department of Cardiology;
University Hospital of Ioannina;
Ioannina;
Greece;
Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease;
Department of Cardiology;
Tianjin Institute of Cardiology;
Second Hospital of Tianjin Medical University;
Tianjin;
China;