About the Authors

Benedicte Stavik

Affiliations Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway

Grethe Skretting

Affiliation Department of Haematology and Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway

Ole Kristoffer Olstad

Affiliation Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway

Marit Sletten

Affiliation Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway

Magnus Dehli Vigeland

Affiliation Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway

Per Morten Sandset

Affiliations Department of Haematology and Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway

Nina Iversen

nina.iversen@medisin.uio.no

Affiliation Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BS GS PMS NI. Performed the experiments: BS MS OKO. Analyzed the data: BS OKO MDV. Contributed reagents/materials/analysis tools: NI OKO MDV. Wrote the paper: BS. Edited the paper: GS PMS NI. Designed the research: NI.