Fraunhofer Institute FIRST, Kekuléstr, 7, 12489 Berlin, Germany. Soeren.Sonnenburg@first.fraunhofer.de|Fraunhofer Institute FIRST, Kekuléstr, 7, 12489 Berlin, Germany. Soeren.Sonnenburg@first.fraunhofer.de|Fraunhofer Institute FIRST, Kekuléstr, 7, 12489 Berlin, Germany. Soeren.Sonnenburg@first.fraunhofer.de|Fraunhofer Institute FIRST, Kekuléstr, 7, 12489 Berlin, Germany. Soeren.Sonnenburg@first.fraunhofer.de|Fraunhofer Institute FIRST, Kekuléstr, 7, 12489 Berlin, Germany. Soeren.Sonnenburg@first.fraunhofer.de