1. Fraunhofer Institute for Microelectronic Circuits and Systems (IMS), Finkenstr. 61, 47057 Duisburg, Germany
2. Mir Enterprises Limited, 173c Goldhurst Terrace, Hampstead, London, NW6 3ES, United Kingdom
3. Montefiore Institute, University of Liege, Rue de la Decouverte, Liege, 4000, Belgium