A language-based sum score for the course and therapeutic intervention in primary progressive aphasia - Semler, Elisa; Anderl-Straub, Sarah; Uttner, Ingo; Diehl-Schmid, Janine; Danek, Adrian; Einsiedler, Beate; Fassbender, Klaus; Fliessbach, Klaus; Huppertz, Hans-Jürgen; Jahn, Holger; Kornhuber, Johannes; Landwehrmeyer, Bernhard; et al. (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2018)