1 23 Clinical Rheumatology Journal of the International League of Associations for Rheumatology ISSN 0770-3198 Volume 31 Number 8 Clin Rheumatol (2012) 31:1197-1203 DOI 10.1007/s10067-012-1995-3 Association between metabolic syndrome, BMI, and serum vitamin D concentrations in rheumatoid arthritis Ladan Goshayeshi, HamidReza Saber, Maryam Sahebari, Zahra Rezaieyazdi, Houshang Rafatpanah, Habibollah Esmaily & Lena Goshayeshi