1. University of Bayreuth; Department of Functional Materials; Universitätsstraße 30; 95440 Bayreuth Germany
2. Siemens AG; CT RTC MAT POL-DE, Günther-Scharowsky-Str. 1 91058 Erlangen Germany
3. Merck KGaA; PM-PFR-I, Frankfurter Str. 250 64271 Darmstadt Germany