1. College of Chemistry and Chemical Engineering
2. Central South University
3. Changsha
4. P. R. China
5. Institute of Organoelement Compounds of the Russian Academy of Sciences
6. Moscow 119991
7. Russian Federation
8. Laboratory of Quantum and Computational Chemistry
9. Department of Chemistry
10. Aristotle University of Thessaloniki
11. GR-54124 Thessaloniki
12. Greece
13. Department of Physics
14. The LNM Institute for Information Technology
15. Jaipur 302031
16. India