Retraction Note to: High systemic levels of the cytokine-inducing HMGB1 isoform secreted in severe macrophage activation syndrome

Affiliations

• ¹ Unit of Pediatric Rheumatology, Department of Women's and Children's Health, Karolinska Institutet, Karolinska University Hospital, Solna, 171 76, Stockholm, Sweden. Karin.Palmblad@ki.se.
• ² Unit of Pediatric Rheumatology, Department of Women's and Children's Health, Karolinska Institutet, Karolinska University Hospital, Solna, 171 76, Stockholm, Sweden.
• ³ Rheumatology Unit, Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Solna, Stockholm, Sweden.
• ⁴ Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Karolinska University Hospital, Solna, Stockholm, Sweden.
• ⁵ Medical Research Council Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Liverpool, UK.