1. Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
2. DIL German Institute of Food Technologies, Quakenbrueck, Germany
3. Department of Animal Science, Division of Microbiology and Animal Hygiene, University of Goettingen, Goettingen, Germany
4. Teufel Prototypen GmbH, Nersingen, Germany
5. BIORON Diagnostics GmbH, Roemerberg, Germany
6. Laboratory for MEMS Applications, IMTEK – Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany