1. Laboratory of Biochemistry and Molecular Biology of Germ Cells Institute of Animal Physiology and Genetics CAS Libechov Czech Republic
2. Laboratory of RNA Biochemistry Department of Genetics and Microbiology Faculty of Science Charles University in Prague Prague Czech Republic
3. Laboratory of Early Mammalian Developmental Biology (LEMDB) Department of Molecular Biology and Genetics Faculty of Science University of South Bohemia Ceske Budejovice Czech Republic