[1] Univ Zagreb, Dept Internal Med, Sch Med, Div Clin Immunol & Rheumatol,Univ Hosp Ctr Zagreb, Kispaticeva 12, Zagreb 10000, Croatia
[2] Vukovar Gen Hosp, Div Phys Med Rehabil & Rheumatol, Zupanijska 35, Vukovar 32000, Croatia
[3] Univ Zagreb, Referral Ctr Auton Nervous Syst Disorders, Sch Med, Dept Neurol,Univ Hosp Ctr Zagreb, Kispaticeva 12, Zagreb 10000, Croatia
[4] Univ Zagreb, Dept Ophthalmol, Sch Med, Univ Hosp Ctr Zagreb, Kispaticeva 12, Zagreb 10000, Croatia