1. Department of Vitis, Institute of Olive Tree, Subtropical Crops and Viticulture, Hellenic Agricultural Organization DIMITRA, Leoforos Sofokli Venizelou 1, 14123 Lykovrysi, Greece
2. Laboratory of Enology and Alcoholic Drinks, Department of Food Science and Human Nutrition, Agricultural University of Athens, 11855 Athens, Greece
3. Monemvasia Winery, 23052 Monemvasia, Greece
4. Molecular Biology Laboratory, Department of Biotechnology, Agricultural University of Athens, 11855 Athens, Greece