1. Ruđer Bošković Institute, Bijenička c. 54, Zagreb, Croatia
2. Deutsches Elektronen-Synchrotron (DESY), Notkestr. 85, Hamburg, Germany
3. Department of Chemistry and International Institute of Nanotechnology, Northwestern University, Evanston, Illinois 60208, USA
4. Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60208, USA
5. Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, Zagreb, Croatia