1. Faculty of Pharmacy, University of Ljubljana, SI-1000 Ljubljana, Slovenia
2. Div. BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University, 2333 CC Leiden, The Netherlands
3. Centre for Research and Knowledge Transfer in Biotechnology, University of Zagreb, 10000 Zagreb, Croatia
4. Slovenian NMR Centre, National Institute of Chemistry, SI-1000 Ljubljana, Slovenia