RECETOX, Faculty of Science Masaryk University, Brno, Czech Republic. 2nd Department of Internal Medicine, Kralovske Vinohrady University Hospital and 3rd Faculty of Medicine, Charles University, Prague, Czech Republic. Institute for Clinical and Experimental Medicine, Prague, Czech Republic. BIOCEV, Institute of Microbiology, AS CR, Vestec, Czech Republic. Department of Gastroenterology and Internal Medicine, University Hospital Brno, Brno, Czech Republic. 3rd Department of Medicine, Department of Endocrinology and Metabolism, General University Hospital and 1st Faculty of Medicine, Charles University, Prague, Czech Republic. University of Chemistry and Technology, Prague, Czech Republic. Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Prague, Czech Republic. Institute of Medical Biochemistry and Laboratory Diagnostics, 1st Faculty of Medicine, Charles University, Prague, Czech Republic. Czech Centre for Phenogenomics, Vestec, Czech Republic. Laboratory of Transgenic Diseases, Institute of Molecular Genetics CAS, Prague, Czech Republic.