1. Orescanin Ltd., A. Jaksica, Zagreb, Croatia
2. Faculty of Food Technology and Biotechnology, Laboratory for Biology and Microbial Genetics, Kršnjavoga, Zagreb, Croatia
3. Laboratory for Low-Level Radioactivities, Ruder Boskovic Institute, Bijenicka cesta, Zagreb, Croatia
4. Department of Water Research, Faculty of Civil Engineering, Fra Andrije Kačića-Miošića, Zagreb, Croatia