1. CQC,
Department of Chemistry, University of Coimbra, P-3004-535 Coimbra, Portugal
2. Faculty
of Sciences and Letters, Department of Physics, Istanbul Kültür University, Ataköy Campus, Bakirköy 34156, Istanbul, Turkey
3. Faculty
of Pharmacy, University of Coimbra, Coimbra, Portugal
4. CFisUC,
Department of Physics, University of Coimbra, P-3004-516 Coimbra, Portugal