1. Microbiological Laboratory, Regional Public Health Center, H-8000 Szekesfehervar, Hungary
2. Molecular Diagnostics Laboratory, Institute of Hygiene, Karl-Franzens-University Graz, A-8010 Graz
3. Biometry Unit, Department of Obstetrics and Gynecology, Karl-Franzens-University Graz, A-8036 Graz, Austria