[autoren: Madeleine Frey ...[et al. [Autoren: Kai-Uwe Hemken ...[et al. [Autoren: Andrea Brandl ... [et al. [Autoren: Ludwig Seyfarth ... et al. Autoren: Peter Baum...[et al. Autoren: Maren Bodenstein...[et al. [authors, Lee Beard ... [et al. [authors] Maarten Klein ... [et al. Autoren, Cornelia Dorries ... [et al. Autoren, Karl Bollmann ... [et al.