1. Museum and Institute of Zoology, Polish Academy of Sciences, Warszawa, Poland
2. Department of Ecology, University of Szeged, Szeged, Hungary
3. Ecology Group, Department of Biology, National University of Mongolia, Ulaanbaatar, Mongolia
4. Academy of Natural Sciences of Drexel University, Philadelphia, PA, USA
5. Myrmecological Laboratory, Department of Biodiversity and Evolutionary Taxonomy, University of Wrocław, Wrocław, Poland
6. Institute of Biology, University of Opole, Opole, Poland
7. Department of Natural History, Upper Silesian Museum in Bytom, Bytom, Poland