University of Salerno, Italy

General Physics Institute of the Russian Academy of Sciences, Russian

Southern University of Science and Technology, China

University of Modena and Reggio Emilia, Italy

University of Sfax, Tunisia

Beihang University, China

Institute of Photonics and Nanotechnologies Padova, Italy

National Yang Ming Chiao Tung University, Taiwan

Institute of Materials Research and Engineering, ASTAR, Singapore