1. Faculty of Science, Charles University 1 Department of Cell Biology, , Prague, Czech Republic
2. Laboratory of Immunobiology, Institute of Molecular Genetics of the Czech Academy of Sciences 2 , Prague, Czech Republic
3. Laboratory of Gnotobiology, Institute of Microbiology of the Czech Academy of Sciences 3 , Nový Hrádek, Czech Republic
4. Laboratory of Anaerobic Microbiology, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences 4 , Prague, Czech Republic
5. Weizmann Institute of Science 5 Department of Immunology and Regenerative Biology, , Rehovot, Israel
6. Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics of the Czech Academy of Sciences 6 , Prague, Czech Republic