1. Institute of Vertebrate Biology; Academy of Sciences of the Czech Republic; Květná 8 603 65 Brno Czech Republic
2. Laboratory of Medicinal Diagnostics, Department of Organic Technology; University of Chemistry and Technology; Technická 5 166 28 Prague Czech Republic
3. Bio@SNS, Scuola Normale Superiore; Department of Neurosciences; Piazza dei Cavalieri 7 56126 Pisa Italy
4. Fritz Lipmann Institute for Age Research; Leibniz Institute; Beutenbergstr. 11 D-07745 Jena Germany
5. Department of Zoology, Faculty of Sciences; Charles University in Prague; Viničná 7 128 44 Praha Czech Republic