1. Group Service Life Analysis and Material Characterization Fraunhofer Institute for Solar Energy Freiburg Germany
2. School of Industrial Engineering University of Malaga Malaga Spain
3. Institute for Renewable Energy EURAC Research Bolzano Italy
4. Faculty of Engineering University of Ljubljana Ljubljana Slovenia
5. Photovoltaics and Thin Film Electronics Laboratory (PVLAB), Institute of Microengineering (IMT) Swiss Federal Institute of Technology Lausanne Neuchâtel Switzerland