1. Laboratory of Organic Electronics ITN Campus Norrköping Linköping University Norrköping SE‐60174 Sweden
2. Wallenberg Center for Molecular Medicine Linköping University Linköping SE‐58185 Sweden
3. Bioelectronics Materials and Devices Lab Central European Institute of Technology Brno University of Technology Purkyňova 123 Brno 61200 Czech Republic
4. Department of Biomedical and Clinical Sciences Linköping University Linköping SE‐58185 Sweden