1. Private Practice Rheumatologist, Thessaloniki, and Rheumatology and Clinical Immunology, University Hospital of Heraklion and University of Crete Medical School, Heraklion, Greece.
2. Rheumatology and Clinical Immunology Unit, 4th Department of Internal Medicine, Attikon University Hospital, Athens, and Joint Rheumatology Program, National and Kapodistrian University of Athens Medical School, Athens, Greece.
3. Rheumatology Unit, Sismanogleio General Hospital, Athens, Greece.
4. Rheumatology and Clinical Immunology, University Hospital of Heraklion and University of Crete Medical School, Heraklion, Greece.
5. First Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece.
6. Rheumatology and Clinical Immunology Unit, 4th Department of Internal Medicine, Attikon University Hospital, Athens; Joint Rheumatology Program, National and Kapodistrian University of Athens Medical School, Athens, and Department of Rheumatology, "Asklepieion" General Hospital, Voula, Athens, Greece.
7. 4th Internal Medicine Clinic, Ippokrateio General Hospital of Thessaloniki, Greece.
8. Private Practice Rheumatologist, Chania, Greece.
9. Rheumatology and Clinical Immunology, University Hospital of Heraklion and University of Crete Medical School, Heraklion, and Laboratory of Rheumatology, Autoimmunity and Inflammation, Institute of Molecular Biology and Biotechnology-FORTH, Heraklion, Greece.
10. Rheumatology and Clinical Immunology, University Hospital of Heraklion and University of Crete Medical School, Heraklion, and Laboratory of Rheumatology, Autoimmunity and Inflammation, Institute of Molecular Biology and Biotechnology-FORTH, Heraklion, Greece. gbertsias@uoc.gr