1. Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
2. Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina, Greece
3. Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, Greece
4. Laboratory of Applied Microbiology & Biotechnology, Department of Molecular Biology & Genetics, Democritus University of Thrace, Alexandroupolis, Greece