Affiliation: | 1. Research Laboratory in Applied Immunology, State University of Londrina, Londrina, Brazil;2. Department of Rheumatology, State University of Londrina, Londrina, Brazil;3. Department of Pathology, Clinical Analysis and Toxicology, State University of Londrina, Londrina, Brazil;4. Department of Internal Medicine, University of Londrina, Londrina, Brazil |