1. Dipartimento di Scienze Molecolari e Nanosistemi
2. Università Ca' Foscari di Venezia
3. Campus Scientifico
4. 30170 Venezia Mestre, Italy
5. Material Research Laboratory
6. University of Nova Gorica
7. SI-5270 Ajdovscina, Slovenia
8. Center for Computational Physics Institute of Physics
9. Vietnam Academy of Science and Technology
10. Hanoi, Vietnam
11. Department of Theoretical Physics
12. J. Stefan Institute and Department of Physics
13. Faculty of Mathematics and Physics
14. University of Ljubljana
15. SI-1000 Ljubljana, Slovenia