type: 5_or_7author: Doukissas, Leonidas_or_Antoniou, Ioannis_or_Papanikolaou, Georgios_or_Perivolaropoulos, Leandros_or_Asimakopoulos, GeorgiossubjectTerm: V. LAW AND SOCIAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES