1. Department of Chemistry
2. Namık Kemal University
3. Tekirdag
4. Turkey
5. Section of Inorganic and Analytical Chemistry
6. University of Ioannina
7. 45110 Ioannina
8. Greece
9. Medical Physics Laboratory
10. Medical School
11. Ioannina
12. University of Cyprus
13. Nicosia
14. Cyprus