1. Department of Pharmacognosy, Institute of Pharmaceutical Sciences, University of Graz, Graz, Austria
2. Faculty of Science, Department of Biology (Botany), University of Zagreb, Zagreb, Croatia
3. Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Botany, University of Zagreb, Zagreb, Croatia
4. Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Graz, Austria