P3‐554: CHOLINESTERASE INHIBITORS AND MORTALITY IN PATIENTS WITH DIABETES MELLITUS AND DEMENTIA: A COHORT STUDY OF ∼3, 000 PATIENTS FROM THE SWEDISH DEMENTIA REGISTRY. (1st July 2019) - Secnik, Juraj; Schwertner, Emilia; Alvarsson, Michael; Hammar, Niklas; Fastbom, Johan; Winblad, Bengt; Garcia-Ptacek, Sara; Religa, Dorota; Eriksdotter, Maria