1. University of Bremen; Institute for Microsensors, -Actuators and -Systems (IMSAS); Otto-Hahn-Allee NW1 28359 Bremen Germany
2. Friedrich-Wilhelm-Bessel-Institut (FWBI) mbH; Otto-Hahn-Allee NW1 28359 Bremen Germany
3. Faserinstitut Bremen e.V.; Department of Composite Structures and Processes,; Am Biologischen Garten 2 28359 Bremen Germany
4. University of Bremen; ISIS Sensorial Materials Scientific Centre; Wiener Str. 12 28359 Bremen Germany