About the Authors

Nils T. Hagen

Nils.Hagen@hibo.no

Affiliation Faculty of Biosciences and Aquaculture, Bodø University College, Bodø, Norway

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NTH. Performed the experiments: NTH. Analyzed the data: NTH. Wrote the paper: NTH.