1. Section of Ecology and Taxonomy, Department of Biology, National and Kapodistrian University of Athens, 157 72 Athens, Greece
2. Section of Animal and Human Physiology, Department of Biology, National and Kapodistrian University of Athens, 157 72 Athens, Greece
3. Section of Zoology and Marine Biology, Department of Biology, National and Kapodistrian University of Athens, 157 72 Athens, Greece
4. Zoological Museum, National and Kapodistrian University of Athens, 157 72 Athens, Greece
5. Section of Zoology, Department of Biology, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece