1. Department of Chemistry and Pharmacy, F.C.T.; University of Algarve; 8005-039 Faro Portugal
2. Center of Marine Sciences, CCMar; University of Algarve; 8005-039 Faro Portugal
3. CQC, Department of Chemistry; University of Coimbra; 3004-535 Coimbra Portugal
4. CFisUC, Department of Physics; University of Coimbra; 3004-516 Coimbra Portugal
5. CQE, Centro de Química Estrutural, IST; University of Lisbon; Av. Rovisco Pais 1049-001 Lisbon Portugal