Dhayat, Sameer ; Träger, Max M. ; Rehkämper, Jan ; Ströse, Anda Jana ; Steinestel, Konrad Ernst ; Wardelmann, Eva ; Kabar, Iyad ; Senninger, Norbert: Clinical Impact of Epithelial-to-Mesenchymal Transition Regulating MicroRNAs in Pancreatic Ductal Adenocarcinoma