Dr Eleni Apostolidou, Professor, Democritus University of Thrace - Kavala Campus.

Dr Nikolaos C. Kokkinos, Assoc. Professor, Democritus University of Thrace - Kavala Campus.

Dr Dhaker Abbes, Chercheur HDR, Ecole des Hautes Etudes d' Ingénieur (HEI).

Dr Stephane Cros, Senior Scientist, National Institute of Solar Energy (INES).