1. Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
2. Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Larissa, Greece
3. Department of Nutrition and Dietetics, Harokopio University, 17676 Kallithea, Greece
4. Laboratory of General and Agricultural Microbiology, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece