1. Catalonia Institute for Energy Research (IREC) Barcelona Spain
2. IN2UB, Departament Enginyeria Electrònica i Biomèdica Universitat de Barcelona Barcelona Spain
3. TNO, Department of Solar Technology and Applications High Tech Campus Eindhoven The Netherlands
4. TNO, Holst Centre High Tech Campus Eindhoven The Netherlands
5. Flisom AG Niederhasli Switzerland