1. Medical Physics and Digital Innovation Lab, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
2. School of Health Sciences, University of Nottingham, Nottingham NG7 2HA, UK
3. CYENS Center of Excellence, Nicosia 1016, Cyprus
4. eHealth Laboratory, Department of Computer Science, University of Cyprus, Nicosia 1678, Cyprus