[1] Complexo Hospitalario Univ A Coruna, Serv Cardiol, Unidad Imagen & Func Cardiaca, Ctr Invest Biomed Red Enfermedades Cardiovasc CI, As Xubias De Arriba 84, La Coruna 15006, Galicia, Spain
[2] Ctr Hosp Vila Nova Gaia Espinho, Dept Cardiol, P-4434502 Vila Nova De Gaia, Portugal
[3] Univ Libre Bruxelles, Hop Erasme, Dept Cardiol, B-1070 Brussels, Belgium
[4] Univ Porto, Cardiovasc R&D Ctr Un RISE, Dept Surg & Physiol, Fac Med, P-4200319 Porto, Portugal
[5] Complexo Hosp o Univ A Coruna, Serv Cardiol, La Coruna 15006, Spain