1. Center for Photonics Sciences, University of Eastern Finland, Yliopistokatu 2, P.O. Box 111, FI-80101, Joensuu, Finland
2. Biohybrid Materials, Department of Bioproducts and Biosystems, Aalto University, P.O. Box 16100, FI-00076, Aalto, Finland
3. LIBER Center of Excellence, Aalto University, P.O. Box 16100, FI-00076, Aalto, Finland
4. Institute of Technology, University of Tartu, Nooruse 1, 50411, Tartu, Estonia