[1] Onze Lieve Vrouw Hosp, Cardiovasc Ctr Aalst, Aalst, Belgium
[2] Univ Naples Federico II, Dept Adv Biomed Sci, Naples, Italy
[3] IRCCS Osped Galeazzi St Ambrogio, Div Univ Cardiol, Milan, Italy
[4] Sapienza Univ Rome, Dept Clin & Mol Med, Rome, Italy
[5] Onze Lieve Vrouw Hosp, Cardiovasc Ctr, Moorselbaan 164, B-9300 Aalst, Belgium