1 Department of Cardiology, Hopital Erasme, Université Libre de Bruxelles, Brussels, Belgium. Electronic address: Ruben.Casado.Arroyo@erasme.ulb.ac.be.
2 Arrhythmia Advanced Therapy Center, AOI Universal Hospital, 2-9-1, Tamachi Kawasaki-ku, Kawasaki city, Kanagawa, 210-0822, Japan. Electronic address: sin_go_sin_go_@hotmail.com.
3 Department of Cardiology, Hopital Erasme, Université Libre de Bruxelles, Brussels, Belgium. Electronic address: juanpablo1109@gmail.com.
4 Division of Cardiology, University of Maryland Medical Center, 22 S. Greene Street, Baltimore, MD 21201, USA. Electronic address: ARestrepo@som.umaryland.edu.