1. Institute for Medical Research and Occupational Health; Ksaverska cesta 2 10 000 Zagreb Croatia
2. Research Unit Electron Microscopic Techniques; Institute of Cell Biology, Histology and Embryology, Centre for Molecular Medicine (ZMM), Medical University of Graz; Harrachgasse 21 8010 Graz Austria
3. Core Facility Ultrastructure Analysis, Centre for Medical Research (ZMF); Medical University of Graz; Stiftingtalstrasse 24 8010 Graz Austria
4. University of Zagreb; Faculty for Naval Architecture and Civil Engineering; Ivana Lučića 5 10 000 Zagreb Croatia
5. Institute for Chemistry; Karl-Franzens University; Universitatesplatz 1 8010 Graz Austria