Miroslaw Szafran - Department of Chemistry, University of Florida, Gainesville, 32611
Mati M. Karelson - University of Tartu
Alan R. Katritzky - Department of Chemistry, University of Florida, Gainesville, 32611
Jacek Koput - Department of Chemistry, A. Mickiewicz Univerity, 60780 Poznan, Poland
Michael C. Zerner - Department of Chemistry, University of Florida, Gainesville, 32611