Affiliation: | a Informatics Laboratory, Department of Nursing, Technological Educational Institute of Kavala, GR-68300, Didymoteicho, Greeceb Medical Informatics Laboratory, Democritus University of Thrace, GR-68100, Alexandroupolis, Greecec Medical Physics Laboratory, Democritus University of Thrace, GR-68100, Alexandroupolis, Greeced Hellenic Open University, GR-26222, Patras, Greece |