P4471Age-related dynamics of atrial fibrillation during 12-year follow-up in elderly population sample. (28th August 2018) - Shapkina, M; Ryabikov, A; Mazdorova, E; Avdeeva, E; Bobak, M; Hubacek, J A; Munc, I; Scherbakova, L; Malyutina, S; ,