1. MR Neuroimaging Agents
2. Max Planck Institute for Biological Cybernetics
3. 72076 Tübingen
4. Germany
5. Department of Analytical Chemistry
6. Faculty of Chemistry
7. University of Belgrade
8. 11000 Belgrade
9. Serbia
10. Faculty of Medicinal Science
11. University of Kragujevac
12. 34000 Kragujevac
13. Centro de Investigaciones Científicas Avanzadas (CICA) and Departamento de Química Fundamental
14. Universidade da Coruña
15. 15008 A Coruña
16. Spain