1. Department of Zoology, Faculty of Science, Charles University, Viničná 7, CZ-12800 Prague, Czech Republic
2. Institute of Vertebrate Biology, Czech Academy of Sciences, Květná 8, CZ-60365 Brno, Czech Republic
3. Montpellier SupAgro, UMR CBGP, F-34988 Montferrier-sur-Lez, France