1. Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, 00076 Aalto, Finland
2. Nanoscience Center, Department of Biological and Environmental Science, University of Jyväskylä, P.O. Box 35, 40014 Jyväskylä, Finland
3. HYBER Center of Excellence, Department of Applied Physics, Aalto University, 00076 Aalto, Finland