1. Department
of Applied Sciences, University of the West of England, Coldharbour Lane, Bristol BS16 1QY, U.K.
2. VTT, P.O. Box 1000, FI-02044 Espoo, Finland
3. Fraunhofer Institute for Electronic Nanosystems ENAS, Technologie-Campus 3, 09126 Chemnitz, Germany
4. Electrical
Engineering and Electronics, University of Liverpool, Brownlow Hill, Liverpool L69 7ZX, U.K.
5. Smart Dx Consulting Ltd, 4
Smeaton Park, Moira BT67
0NF, U.K.
6. School of
Chemical Sciences and National Centre for Sensor Research, Dublin City University, Dublin 9, Ireland
7. Department
of Digital Printing and Imaging Technologies, Technische Universität Chemnitz, Reichenhainer Strasse 70, 09126 Chemnitz, Germany