1. Institute
of Microbiology, Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague 4, Czech Republic
2. Department
of Obstetrics and Gynecology, Faculty of Medicine and Dentistry, Palacký University and University Hospital, I.P. Pavlova 6, CZ-775 20 Olomouc, Czech Republic
3. Institute
of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, CZ-16610 Prague 6, Czech Republic