1. Department of Chemistry, Aarhus University, 8000 Aarhus C, Denmark
2. Max Planck Institute for Polymer Research, 55128 Mainz, Germany
3. Institute of Zoology, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
4. Department of Functional Morphology and Biomechanics, Institute of Zoology, Kiel University, 24118 Kiel, Germany
5. The School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, Oregon 97331, United States