1. 3 Department of Internal Medicine; Papageorgiou Hospital; Aristotle University of Thessaloniki; Thessaloniki Greece
2. Ophthalmology Department; AHEPA University Hospital; Aristotle University of Thessaloniki; Thessaloniki Greece
3. Institute of Computer Science; Foundation for Research and Technology - Hellas (FORTH); Heraklion Greece
4. Rheumatology Department; Papageorgiou Hospital; Aristotle University of Thessaloniki; Thessaloniki Greece
5. Rheumatology Department-2 Propedeutic Department of Internal Medicine; Hippokration Hospital; Aristotle University of Thessaloniki; Thessaloniki Greece