The genetic profile of RF-positive polyarticular juvenile idiopathic arthritis ( JIA ) resembles adult rheumatoid arthritis ( RA )

A Hinks, PhD , MC Marion, MA , J Cobb, PhD , ME Comeau, MA, M Sudman, BA, HC Ainsworth, MA, J Bowes, PhD , Juvenile Arthritis Consortium for Immunochip, ML Becker, MD, JF Bohnsack, MD, JP Haas, MD, DJ Lovell, MD, MPH , ED Mellins, MD , JL Nelson, MD, E Nordal, M Punaro, MD, AM Reed, MD, CD Rose, MD , AM Rosenberg, MD , M Rygg, SL Smith, PhD , AM Stevens, MD , V Videm, CA Wallace, MD , LR Wedderburn, MD, PhD , A Yarwood, PhD , RSM Yeung, MD , CD Langefeld, PhD , SD Thompson, PhD , W Thomson, PhD , S Prahalad, MD, MSc 23,25