Changes in Gastrointestinal Microbiome Composition in PD A Pivotal Role of Covariates - Cosma-Grigorov, Alexandra; Meixner, Holger; Mrochen, Anne; Wirtz, Stefan; Winkler, Jürgen; Marxreiter, Franz (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2020)