1. IVF Centers Prof. Zech - Bregenz; Bregenz Austria
2. Biomedical Center, Faculty of Medicine in Pilsen; Charles University; Pilsen Czech Republic
3. Laboratory of Immunoanalysis, Department of Nuclear Medicine, Medical School and Teaching Hospital in Pilsen; Charles University; Pilsen Czech Republic
4. Centre Hospitalier Inter Régional Edith Cavell (CHIREC); Braine-l'Alleud Bruxelles Belgium
5. Transgenic Platform, FARAH and GIGA Research Centers; University of Liège; Liège Belgium
6. IVF Centers Prof. Zech - Pilsen; Pilsen Czech Republic