Infarct tissue heterogeneity by contrast-enhanced MRI is a novel predictor of mortality in patients with coronary artery disease with reduced left ventricular systolic function by van der Geest Rob J, Heydari Bobby, Mandry Damien, Hatabu Hiroto, Blankstein Ron, Abdullah Shuaib M, Jerosch-Herold Michael, Mongeon François-Pierre, Coelho-Filho Otavio, Watanabe Eri, Kwong Raymond Y