1. St. Elisabeth Cancer Institute; Stem Cell Preparation Department; Bratislava Slovakia
2. Faculty of Medicine, Institute of Medical Biology, Genetics and Clinical Genetics; University Hospital Bratislava, Comenius University in Bratislava; Bratislava Slovakia
3. Department of Biology, Faculty of Medicine in Pilsen; Charles University in Prague; Pilsen Czech Republic
4. Laboratory of tumor biology, Biomedical Center, Faculty of Medicine in Pilsen; Charles University; Prague Czech Republic
5. University Hospital in Pilsen; Department of Nuclear Medicine - Immunoanalytic Laboratory; Pilsen Czech Republic
6. Cancer Research Institute; Biomedical Center, Slovak Academy of Sciences; Bratislava Slovakia