1. Endocrine Unit; 2nd Department of Internal Medicine-Propaedeutic and Research Center; Athens University Medical School; “Attikon” University Hospital; Athens Greece
2. 2nd Department of Dermatology and Venereology; Athens University Medical School; “Attikon” University Hospital; Athens Greece
3. Rheumatology Unit; 4th Department of Internal Medicine; Athens University Medical School; “Attikon” University Hospital; Athens Greece
4. 2nd Department of Internal Medicine-Propaedeutic and Research Center; Athens University Medical School; “Attikon” University Hospital; Athens Greece