1. Department of Chemistry and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Auckland, Auckland, New Zealand
2. Centre for Intelligent Systems Research, Deakin University, Waurn Ponds, Australia
3. School of Electrical and Computer Engineering, RMIT University, Melbourne, Australia
4. Department of Biochemistry and Molecular Biology, Monash University, Clayton, Australia
5. The Bioelectronics Research Centre, Department of Electronics and Electrical Engineering, University of Glasgow, Glasgow, United Kingdom