[1] European Interbalkan Med Ctr, Dept Internal Med 2, Thessaloniki 57001, Greece
[2] Aristotle Univ Thessaloniki, Gen Hosp Hippokrat, Outpatient Dept Cardiometab Med, Dept Cardiol 2, Thessaloniki 54642, Greece
[3] Dudley Grp NHS Fdn Trust, Russells Hall Hosp, Dept Rheumatol, Dudley DY1 2HQ, England
[4] Aristotle Univ Thessaloniki, Gen Hosp Hippokrat, Dept Internal Med 4, Thessaloniki 54642, Greece