About the Authors

Helene Arentz-Hansen

Affiliation Institute of Immunology, Rikshospitalet University Hospital, University of Oslo, Oslo, Norway

Burkhard Fleckenstein

Affiliations Institute of Immunology, Rikshospitalet University Hospital, University of Oslo, Oslo, Norway, Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark

Øyvind Molberg

Affiliation Institute of Immunology, Rikshospitalet University Hospital, University of Oslo, Oslo, Norway

Helge Scott

Affiliation Institute of Pathology, Rikshospitalet University Hospital, University of Oslo, Oslo, Norway

Frits Koning

Affiliation Department of Immunohematology and Blood Transfusion, Leiden University Medical Centre, Leiden, Netherlands

Günther Jung

Affiliation Institute of Organic Chemistry, University of Tbingen, T, Germanyübingen

Peter Roepstorff

Affiliation Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark

Knut E. A Lundin

Affiliations Institute of Immunology, Rikshospitalet University Hospital, University of Oslo, Oslo, Norway, Department of Medicine, Rikshospitalet University Hospital, Oslo, Norway

Ludvig M Sollid

Affiliation Institute of Immunology, Rikshospitalet University Hospital, University of Oslo, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist. LMS is a member of the editorial board of PLoS Medicine.

Author Contributions

ØM, KEAL, and LMS designed the study. HAH, BF, ØM, HS, FK, GJ, PR, KEAL, and LMS analyzed the data. FK and GJ contributed synthetic peptides for the study. HAH, BF, ØM, HS, FK, GJ, KEAL, and LMS contributed to writing the paper.