1. EC, DG JRC, IET; Renewable Energy Unit, ESTI; Ispra Italy
2. University of Tor Vergata; Dept. of Enterprise Engineering, FTA Lab Rome; Italy
3. SUPSI; Campus Trevano; CH-6952 Canobbio Switzerland
4. ENEA; UTTP FOTO; Portici Italy
5. RSE spa; Milan Italy
6. Enel Ingegneria e Ricerca S.p.A; Catania Italy
7. EKO Instruments; Tokyo Japan
8. Instituto de Energía Solar; Universidad Politécnica de Madrid; Madrid Spain
9. EURAC Research; Institute for Renewable Energy; Bolzano Italy