1. Department
of Chemical and Geological Sciences, University of Cagliari, 09042 Monserrato, Cagliari, Italy
2. Consorzio AUSI,
Palazzo Bellavista Monteponi, 09016 Iglesias, Carbonia-Iglesias, Italy
3. INSTM, Cagliari
Unit, 09042 Monserrato, Cagliari, Italy
4. Department
of Inorganic Chemistry, Charles University of Prague, Prague 116 36, Czech Republic
5. Institute
of Inorganic Chemistry, Czech Academy of Science, 250 68 Rez, Czech Republic
6. Department
of Biomedical Sciences, Biochemistry Unit, University of Cagliari, 09042 Monserrato, Cagliari, Italy