1. Department of Occupational Medicine, First Faculty of Medicine, Charles University in Prague & General University Hospital in Prague, Prague, 128 00, Czech Republic
2. J. Heyrovský Institute of Physical Chemistry of the Czech Academy of Sciences, Prague, 182 00, Czech Republic
3. Institute of Chemical Process Fundamentals of the Czech Academy of Sciences, Prague, 165 02, Czech Republic
4. Faculty of Mechanical Engineering, Department of Machining & Assembly, Department of Engineering Technology, Department of Material Science, Technical University of Liberec, Liberec, 461 17, Czech Republic
5. Institute of Experimental Medicine of the Czech Academy of Sciences, Department of Nanotoxicology & Molecular Epidemiology, Prague, 142 20, Czech Republic
6. Faculty of Military Health Sciences, University of Defense, Hradec Kralove, 500 01, Czech Republic
7. School of Dental Medicine, First Faculty of Medicine, Charles University & General University Hospital in Prague, Prague, 120 00, Czech Republic