1. 1Slovak Medical University, Faculty of Medicine, Bratislava, III. Department of Gynecology and Obstetrics, 1st Private Hospital Košice-Šaca Inc., Košice-Šaca, Slovak Republic
2. 2First Faculty of Medicine and General Teaching Hospital, Thrombosis Centre of Institute of Clinical Biochemistry and Laboratory Diagnostics, Charles University, Prague, U Nemocnice 2, 128 08, Praha 2, Czech Republic
3. 3First Faculty of Medicine and General Teaching Hospital, Department of Gynecology and Obstetrics, Charles University, Prague, Apolinarska 18, 128 51, Prague, Czech Republic