1. Departments of Experimental Oncology, Institute of Oncology Ljubljana, 1000 Ljubljana, Slovenia
2. Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia
3. Institutes of Pathology, University of Ljubljana, 1000 Ljubljana, Slovenia
4. Marine Biology Station, National Institute of Biology, 6330 Piran, Slovenia
5. Cytopathology, Institute of Oncology Ljubljana, 1000 Ljubljana, Slovenia
6. Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
7. Radiation Oncology, Institute of Oncology Ljubljana, 1000 Ljubljana, Slovenia