P4‐125: BIOINFORMATIC PIPELINE COMPARISON FOR COMPOSITIONAL ANALYSIS OF THE GUT MICROBIOME IN ALZHEIMER'S PATIENTS. (1st July 2019) - Marizzoni, Moira; Provasi, Stefania; Greub, Gilbert; Gurry, Thomas; Lopizzo, Nicola; Ribaldi, Federica; Salvatore, Marco; Mirabelli, Peppino; Soricelli, Andrea; Frisoni, Giovanni B.; Cattaneo, Annamaria