1. Institute for Environmental Studies, Faculty of Science, Charles University, Benátská 2, CZ-128 01, Prague 2, Czech Republic
2. Dekonta a.s, Dřetovice 109, CZ-273 42, Stehelčeves, Czech Republic
3. Department of Biotechnology UCT Prague, Technická 5, CZ-166 28, Prague 6, Czech Republic
4. Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ-142 00, Prague 4, Czech Republic