1. Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria
2. Faculty of Applied Arts, National Academy of Art, Sofia, Bulgaria
3. School of Engineering, Cardiff University, Cardiff, UK
4. Polymer Separation Group, Department Analytics, Institute of Macromolecular Chemistry, Leibniz-Institut für Polymerforschung Dresden E.V., Dresden, Germany
5. Technische Universität Dresden, Dresden, Germany