1Department of Cardiology, Papageorgiou General Hospital, Ring Road, Nea Efkarpia, Thessaloniki 56403, Greece.
2Department of Medical Oncology, School of Health Sciences, Faculty of Medicine, Papageorgiou Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
3Department of Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece.
4Echonous Inc., 8310 154th Ave NE, Redmond, WA 98052, USA.
5Department of Biomedical Informatics, University of Thessaly, Lamia, Greece.
6HealThink, 47 St.Kazantzidi str., PO Box 8121, Thessaloniki, Greece.
7NHLI Hammersmith Hospital, Imperial College London, Du Cane Road, London W12 0NN, UK.
8First Propaedeutic Department of Internal Medicine, School of Health Sciences, Faculty of Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.