1. Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička 54, HR−10000 Zagreb, Croatia
2. Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića
1, HR−10000 Zagreb, Croatia
3. BAM Federal Institute for Materials Research and Testing, Richard-Willstätter Str. 11, 12489 Berlin, Germany
4. Slovenian NMR Center, National Institute of Chemistry, Hajdrihova
19, SI−1000 Ljubljana, Slovenia