1. Institute of Molecular Biology and Biotechnology, 70013 Heraklion, Crete, Greece
2. Department
of Biology, University of Crete, Voutes University Campus, 70013 Heraklion, Crete, Greece
3. Department
of Chemistry, University of Crete, Voutes University Campus, 70013 Heraklion, Crete, Greece
4. Biology
and Genetics of the Bacterial Cell Wall Unit, Institut Pasteur, 75015 Paris, France
5. INSERM, Equipe Avenir, Paris, France
6. Department
of Molecular Biology and Genetics, Democritus University of Thrace, University Campus, 68100 Alexandroupolis, Greece