Overweight and aging increase the risk of atrial fibrillation after cardiac surgery independently of left atrial size and left ventricular ejection fraction oleh Pier Luigi Stefàno, Marco Bugetti, Guido Del Monaco, Gloria Popescu, Paolo Pieragnoli, Giuseppe Ricciardi, Laura Perrotta, Luca Checchi, Roberto Rondine, Sergio Bevilacqua, Carlo Fumagalli, Niccolò Marchionni, Antonio Michelucci