1. Department of Internal Medicine, Second Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, 150 06, Czech Republic
2. Laboratory of Molecular Pathogenetics, Institute of Biotechnology of the Czech Academy of Sciences, BIOCEV, Vestec, 252 50, Czech Republic
3. Laboratory of Reproductive Biology, Institute of Biotechnology of the Czech Academy of Sciences, BIOCEV, Vestec, 252 50, Czech Republic
4. Department of Biology and Medical Genetics, Second Faculty of Medicine, Charles University in Prague and Motol University Hospital, Prague, 150 06, Czech Republic