About the Authors

Robert Brudevold

robert.brudevold@helse-sunnmore.no

Affiliation Department of Medicine, Aalesund Hospital, Aalesund, Norway

Torstein Hole

Affiliations Department of Medicine, Aalesund Hospital, Aalesund, Norway, Norwegian University of Science and Technology (NTNU), Trondheim, Norway

Jens Hammerstrøm

Affiliations Department of Medicine, St. Olavs Hospital, Trondheim, Norway, Norwegian University of Science and Technology (NTNU), Trondheim, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RB. Performed the experiments: RB. Analyzed the data: RB TH JH. Contributed reagents/materials/analysis tools: RB. Wrote the paper: RB TH JH.