1. Faculty of Biology, Biocenter, Ludwig-Maximilians-Universität München (LMU Munich), Großhaderner Str. 2, 82152 Munich, Germany
2. GeoBio-Center at LMU, Richard-Wagner Str. 10, 80333 Munich, Germany
3. Zoological Institute and Museum, Cytology and Evolutionary Biology, University of Greifswald, Soldmann Str. 23, 17489 Greifswald, Germany
4. Medical Biology and Electron Microscopy Center, University Medical Center Rostock, Strempel Str. 14, 18057 Rostock, Germany