apl. Prof. Dr. Günter Tovar Adjunct professor at the Faculty of Energy Technology, Process Engineering and Biological Engineering at the University of Stuttgart; Director (acting) of the Institute of Interfacial Process Engineering and Plasma Technology IGVP at the University of Stuttgart (since 2016) Prof. Dr. Heike Walles Professor and Chair of Tissue Engineering and Regenera- tive Medicine at the University of Würzburg 1 9