1. Institute for Biophysics, University of Bremen, Otto-Hahn-Allee 1, 28359 Bremen, Germany
2. The Biological Materials Group, Biomimetics, Faculty 5, HSB − City University of Applied Sciences Bremen, Neustadtswall 30, 28199 Bremen, Germany
3. MAPEX Center for Materials and Processes, University of Bremen, 28359 Bremen, Germany