1 Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 3, 775 15, Olomouc, Czech Republic.
2 Department of Chemical Biology, Faculty of Science, Palacký University, Šlechtitelů 27, 783 71, Olomouc, Czech Republic.
3 Laboratory of Growth Regulators, Palacký University and Institute of Experimental Botany ASCR, Šlechtitelů 27, 783 71, Olomouc, Czech Republic.
4 Department of Plastic and Aesthetic Surgery, University Hospital Olomouc, I. P. Pavlova 6, 779 00, Olomouc, Czech Republic.
5 Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 3, 775 15, Olomouc, Czech Republic. alf.svoboda@seznam.cz.