1. Rheumatology, Clinical Immunology and Allergy, Medical School, University of Crete, Heraklion, Greece
2. OLYMPION Hospital-General Clinic of Patras, Patras, Greece
3. Outpatient Department of Rheumatology, University General Hospital of Alexandroupolis, Thrace, Greece
4. EUROMEDICA General Clinic of Thessaloniki, Thessaloniki, Greece
5. IASIO Hospital-General Clinic of Kallithea, Athens, Greece
6. Department of Rheumatology, General Hospital of Patras “Agios Andreas”, Patras, Greece
7. Private Clinic Henry Dunant Hospital Centre, Athens, Greece;
8. Medical Department, AbbVie Pharmaceuticals S.A., Neo Iraklio, Athens, Greece
P Sidiropoulos, A Bounas, N Galanopoulos, G Vosvotekas, EM Koukli, P Georgiou, N Marketos, T Antachopoulou, A Kyriakakis, M Koronaiou