1. Second Department of Neurology School of Medicine Attikon University Hospital National and Kapodistrian University of Athens AthensGreece
2. Fourth Department of Internal Medicine Attikon University Hospital National and Kapodistrian University of Athens AthensGreece
3. Iatropolis Magnetic Resonance Diagnostic Centre AthensGreece
4. Second Department of Internal Medicine Attikon University Hospital Medical School National and Kapodistrian University of Athens AthensGreece
5. Second Department of Radiology School of Medicine "Attikon" University Hospital National and Kapodistrian University of Athens AthensGreece
6. First Department of Propedeutic Internal Medicine National and Kapodistrian University of Athens Medical School Athens Greece