1. Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zurich, Gloriastrasse 35, CH-8092 Zurich, Switzerland
2. C−CINA, Center of Cellular Imaging and Nano-analytics, Biozentrum, University of Basel, 26 Mattenstrasse, Basel, Switzerland
3. Department of Biological Physics, Eotvos University, Pazmany P. stny. 1A, H-1117 Budapest, Hungary, and ELTE-MTA ″Lendulet″ Biophysics Research Group, Pazmany P. stny. 1A, H-1117 Budapest, Hungary