type: 7author: Spyropoulos, Vasileios_or_Kiziroglou, MichailsubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_III. ������������������ ������������������ ������ ��������������������__el