1. Lund University, Department of Chemistry, P.O. Box 124, S-221 00 Lund, Sweden
2. Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
3. University of Zagreb, Faculty of Science, Department of Physics, Bijenička cesta 32, 10000 Zagreb, Croatia
4. University of Zagreb, Faculty of Textile Technology, Department of Applied Chemistry, Prilaz baruna Filipovića 28a, 10000 Zagreb, Croatia
5. Ss. Cyril and Methodius University in Skopje, Faculty of Natural Sciences and Mathematics – Skopje, Institute of Physics, PO Box 162, 1000 Skopje, Macedonia
6. Leibniz IFW Dresden, Helmholtzstrasse 20, D-01069 Dresden, Germany