1. Department of Physics, Chemistry and Biology (IFM), Biosensors and Bioelectronics Centre, Linköping University, 58183 Linköping, Sweden.
2. Department of Management and Engineering (IEI), Solid Mechanics, Linköping University, 58183 Linköping, Sweden.
3. Swedish School of Textiles (THS), Smart Textiles, University of Borås, 50190 Borås, Sweden.