1. University of Western Macedonia, Kila, Kozani501 00, Greece
2. Regional Centre of Advanced Technologies and Materials, Czech Advanced Technologies and Research Institute, Palacký University Olomouc, Křížkovského 8, Olomouc779 00, Czech Republic
3. Hasselt University, Theory Lab, Agoralaan Building D, 3590Diepenbeek, Belgium
4. Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Université Libre de Bruxelles, 50 Avenue F. Roosevelt, C.P. 160/09, B-1050Brussels, Belgium