1. Toxicological Information Centre, General University Hospital in Prague, Prague, Czech Republic;
2. Department of Occupational Medicine, First Faculty of Medicine, Charles University, Prague, Czech Republic;
3. Faculty of Informatics and Statistics, Department of Statistics and Probability, University of Economics, Prague, Czech Republic;
4. Department of Radiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic;
5. Department of Ophthalmology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic;
6. Centre for Industrial Hygiene and Occupational Medicine, National Institute of Public Health, Prague, Czech Republic;
7. J. Heyrovsky Institute of Physical Chemistry, Czech Academy of Sciences, Prague, Czech Republic;
8. Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic;
9. Biocev, First Faculty of Medicine, Charles University in Prague, Czech Republic