1. Institute of Analytical Chemistry of the CAS, v. v. i., Veveří 97, 60200 Brno, Czech Republic
2. National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
3. Academician Heyrovský Secondary Industrial School of Chemistry, Středoškolská
2854/1, 70030 Ostrava, Czech Republic