1. Department of Obsterics and Gynaecology, 2nd Faculty of Medicine, Charles University, 150 00 Prague, Czech Republic
2. Department of Health Care Studies, College of Polytechnics Jihlava, 586 01 Jihlava, Czech Republic
3. Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic
4. Faculty of Medicine, Masaryk University, 625 00 Brno, Czech Republic
5. Department of Obsterics and Gynaecology, Hospital Trutnov, 541 01 Trutnov, Czech Republic
6. Department of Obsterics and Gynaecology, Medical Faculty in Hradec Kralove, Charles University, 500 05 Hradec Kralove, Czech Republic
7. Gynedology Pardubice Muller, 530 02 Pardubice, Czech Republic
8. Mediol Centre—Olomouc, 779 00 Olomouc, Czech Republic