1 Department of Cardiovascular Imaging, Heart Institute, Hospital Universitari Germans Trias i Pujol, Carretera de Canyet, s/n, Badalona, Barcelona 08916, Spain.
2 Department of Cardiovascular and Thoracic Sciences, Catholic University of Sacred Heart, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
3 Department Cardiology, Hospital Comarcal Sant Jaume de Calella, Calella, Spain.
4 Institut de Recerca Germans Trias i Pujol, Centre de Medicina Comparativa i Bioimatge, Badalona, Spain.