About the Authors

Marianne K. Kringen

m.k.kringen@medisin.uio.no

Affiliation Department of Pharmacology, Oslo University Hospital, Ullevål, Oslo, Norway

Armin P. Piehler

Affiliation Fürst Medical Laboratory, Oslo, Norway

Runa M. Grimholt

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

Mimi S. Opdal

Affiliation Department of Pharmacology, Oslo University Hospital, Ullevål, Oslo, Norway

Kari Bente F. Haug

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

Petter Urdal

Affiliations Department of Medical Biochemistry, Oslo University Hospital, Ullevål, Oslo, Norway, Institute of Clinical Medicine, University of Oslo, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MKK APP RMG MSO KBFH PU. Performed the experiments: RMG. Analyzed the data: MKK APP PU. Wrote the paper: MKK APP RMG MSO KBFH PU.