1. Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Finland
2. Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
3. Molecular Materials, Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland