1. Institute of Soil Biology and Biogeochemistry, Biology Centre CAS, Na Sádkách 7, 370 05 České Budějovice, Czech Republic
2. Museum and Institute of Zoology PAS, Wilcza 64, 00-679 Warsaw, Poland
3. Department of Soil Science and Agrophysics, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Kraków, Poland
4. Department of Bioengineering, West Pomeranian University of Technology in Szczecin, Papieża Pawła, VI no 3, 71-459 Szczecin, Poland