1. Department of Obstetrics and Gynecology, University Hospital Hradec Kralove, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
2. Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic
3. Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U. S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
4. Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA
5. Department of Epidemiology & Biostatistics, Michigan State University, East Lansing, MI, USA
6. Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
7. Institute of Clinical Biochemistry and Diagnostics, University Hospital Hradec Kralove, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
8. Fingerland Department of Pathology, University Hospital Hradec Kralove, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
9. Department of Clinical Immunology and Allergy, University Hospital Hradec Kralove, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Poland
10. 1st Department of Obstetrics and Gynecology, Medical University of Warsaw, Warsaw, Poland
11. Department of Infectious Diseases, University Hospital Hradec Kralove, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czech Republic
12. Department of Obstetrics and Gynecology, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
13. Department of Genetics and Bioinformatics, Domain of Health Data and Digitalisation, Institute of Public Health, Oslo, Norway