1. Technische Universität Berlin,Berlin,Germany
2. Bialystok University of Technology,Białystok,Poland
3. Dortmund University of Applied Sciences and Arts,Dortmund,Germany
4. University of the Basque Country,Bilbao,Spain
5. Paderborn University,Paderborn,Germany
6. Fraunhofer IEM,Paderborn,Germany