Integrating social and economic status in rheumatoid arthritis exposure studies

Affiliations

• ¹ Li2P Inserm UMR 1125, 1, rue Chablis, 93017 Bobigny cedex, France; University Sorbonne Paris Nord, 1, rue Chablis, 93017 Bobigny cedex, France; Rheumatology Department, Avicenne Hospital (AP-HP), 125, rue de Stalingrad, 93017 Bobigny, France. Electronic address: johanna.sigaux@aphp.fr.
• ² Li2P Inserm UMR 1125, 1, rue Chablis, 93017 Bobigny cedex, France; University Sorbonne Paris Nord, 1, rue Chablis, 93017 Bobigny cedex, France; Rheumatology Department, Avicenne Hospital (AP-HP), 125, rue de Stalingrad, 93017 Bobigny, France.