1. Department of Organic Chemistry; Stockholm University; Stockholm 10691 Sweden
2. Centre of Excellence for Integrated Approaches in Chemistry and Biology of Proteins; Jamova 39 Ljubljana Slovenia
3. Jožef Stefan International Postgraduate School; Jamova 39 Ljubljana Slovenia
4. Department of Physical and Organic Chemistry; Jožef Stefan Institute; Jamova 39 Ljubljana Slovenia
5. Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 1000 Ljubljana Slovenia