1. Department of Biology, National and Kapodistrian University of Athens, Athens, Greece
2. Laboratory of Bacteriology, Hellenic Pasteur Institute, Athens, Greece
3. Institute of Biosciences and Applications, National Center for Scientific Research “Demokritos”, Agia Paraskevi, Athens, Greece
4. Bioinformatics Research Laboratory, Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
5. Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen, Germany