1. University of Ljubljana, Faculty of Pharmacy, Aškerčeva cesta 7, 1000 Ljubljana, Slovenia
2. Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P. O. Box 56 (Viikinkaari 5 E), FI-00014 Helsinki, Finland
3. Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria di Monserrato – S. P. 8 km 0.700, 09042 – Monserrato (CA), Italy
4. Department of Physics and IOM/CNR, Sezione di Cagliari, University of Cagliari, Cittadella Universitaria di Monserrato – S. P. 8 km 0700, 09042 – Monserrato (CA), Italy