1. Department of CMOS Microsystem Technologies, Fraunhofer Institute for Microelectronic Circuits and Systems, Duisburg, Germany
2. Department of Cellular Biophysics, Max Planck Institute for Medical Research, Heidelberg, Germany
3. Business Field Health, Fraunhofer Institute for Microelectronic Circuits and Systems, Duisburg, Germany
4. Department Electronic Components and Circuits, University of Duisburg–Essen, Duisburg, Germany