Affiliations

• ¹ Section of Rheumatology, Department of Medicine, University of Chicago, IL, USA.
• ² Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, and Research Triangle Park, NC, USA.
• ³ Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA.
• ⁴ National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA.
• ⁵ Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, and Research Triangle Park, NC, USA, and Social Scientific System Inc, a DLH holding company.
• ⁶ Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA.
• ⁷ Centre for Behavioural Sciences and Mental Health, Italian National Institute of Health, Rome, Italy.
• ⁸ Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, and Research Triangle Park, NC, USA. riderl@mail.nih.gov.