1. Department of Pharmaceutical Chemistry and Pharmaceutical Analysis; Faculty of Pharmacy in Hradec Kralove; Charles University in Prague; Heyrovskeho 1203 Hradec Kralove 500 05 Czech Republic
2. Department of Chemistry and Biochemistry; University of Minnesota, Duluth; 1039 University Drive Duluth MN 55812 USA
3. Department of Chemistry; University of Manitoba; Winnipeg MB R3T 2N2 Canada
4. Department of Biophysics and Physical Chemistry; Faculty of Pharmacy in Hradec Kralove; Charles University in Prague; Heyrovskeho 1203 Hradec Kralove 500 05 Czech Republic