- Correspondence to Dr Espen S Baekkevold, Department of Pathology, Center for Immune Regulation (CIR), Oslo University Hospital-Rikshospitalet and University of Oslo, Oslo N-0027, Norway;
- Received January 7, 2016
- Revised May 25, 2016
- Accepted May 26, 2016
- First published June 21, 2016.
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