1. Molecular Imaging and Photonics; Department of Chemistry; Katholieke Universiteit Leuven; Leuven B-3001 Belgium
2. Molecular Design and Synthesis; Department of Chemistry; Katholieke Universiteit Leuven; Leuven B-3001 Belgium
3. Department of Organic Technology; Kaunas University of Technology; Kaunas LT 3028 Lithuania
4. Physics and Chemistry of Nanostructures; Department of Inorganic and Physical Chemistry; Gent B-9000 Belgium