1. J. Heyrovský Institute of Physical Chemistry, Czech Academy of Sciences, Dolejškova 3, CZ 182 23 Prague 8, Czech Republic
2. Laboratorio de Trazas Elementales y Especiación, Departamento de Química Analítica e Inorgánica, Facultad de Ciencias Químicas, Universidad de Concepción, Concepción, Chile
3. Department of Radiation and Chemical Physics, Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 1999/2, CZ182 21 Prague 8, Czech Republic
4. Centre for Vision Research, York University, 4700 Keele St, Toronto, ON M3J 1P3, Canada
5. University of Chemistry and Technology Prague, Faculty of Chemical Engineering, Technická 5, CZ166 28 Prague 6 Dejvice, Czech Republic
6. Cavendish Astrophysics, University of Cambridge, JJ Thomson Ave, Cambridge, CB3 OHE, UK
7. Institute of Astronomy, University of Cambridge, CB3 0HA, UK
8. Department of Earth Sciences, University of Cambridge, CB2 3EQ, UK
9. Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering, Brehová 78/7, 115 19 Prague 1, Czech Republic
10. Institute of Plasma Physics, Czech Academy of Sciences, Za Slovankou 1782/3, 182 00 Prague 8, Czech Republic
11. Central European Institute of Technology, Brno University of Technology, Purkyňova 656/123, CZ-61200, Brno, Czech Republic
12. Brno University of Technology, Faculty of Mechanical Engineering, Institute of Physical Engineering, Technická 2, CZ-61669, Brno, Czech Republic