About the Authors

Roderick Nigel Finn

To whom correspondence should be addressed. E-mail: nigel.finn@bio.uib.no

Affiliation Department of Biology, University of Bergen, Bergen, Norway

Børge A. Kristoffersen

Affiliation Department of Biology, University of Bergen, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RF. Performed the experiments: RF. Analyzed the data: RF BK. Contributed reagents/materials/analysis tools: RF. Wrote the paper: RF.