The incidence and prognostic value of silent myocardial scar by late gadolinium enhancement in patients with atrial fibrillation by Neilan Tomas G, Farhad Hoshang, Shah Ravi, Abbasi Siddique, Coelho-Filho Otavio R, Groarke John D, McMullan Ciaran J, Heydari Bobby, Steigner Michael L, Blankstein Ron, Jerosch-Herold Michael, Kwong Raymond Y