1. National Center of Hemostasis and Thrombosis, Clinic of Hematology and Transfusiology, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin, Martin University Hospital, Martin, Slovak Republic
2. Clinic of Gynecology and Obstetrics, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin and University Hospital in Martin, Martin, Slovak Republic