1. “Coriolan Dragulescu” Institute of Chemistry, 24 Mihai Viteazu Bvd, Timisoara – 300223, ROMANIA;
2. CNR-ISMN, Via Salaria km 29.300, Monterotondo Stazione (RM), ITALY;
3. University of Calabria, Department of Chemistry and Chemical Technologies – CTC, Via P. Bucci Cubo 14C, Arcavacata (CS), 87036, ITALY