Elevated Concentrations of Serum Immunoglobulin Free Light Chains in Systemic Lupus Erythematosus Patients in Relation to Disease Activity, Inflammatory Status, B Cell Activity and Epstein-Barr Virus Antibodies

• Anette H. Draborg,

  Affiliation Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark

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• Magnus C. Lydolph,

  Affiliation Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark

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• Marie Westergaard,

  Affiliation Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark

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• Severin Olesen Larsen,

  Affiliation Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark

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• Christoffer T. Nielsen,

  Affiliations Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark, Department of Infectious Diseases and Rheumatology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark

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• Karen Duus,

  Affiliation Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark

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• Søren Jacobsen,

  Affiliation Department of Infectious Diseases and Rheumatology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark

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• Gunnar Houen

  * E-mail: gh@ssi.dk

  Affiliation Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark

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