About the Authors

Jonathan West

Affiliation University of Dundee, College of Medicine, Dentistry, and Nursing, Dundee, Scotland

Simon Ogston

Affiliation University of Dundee, College of Medicine, Dentistry, and Nursing, Dundee, Scotland

John Foerster

j.foerster@dundee.ac.uk

Affiliations University of Dundee, College of Medicine, Dentistry, and Nursing, Dundee, Scotland, Department of Dermatology and Photobiology, NHS Tayside, Dundee, Scotland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JF JW. Performed the experiments: JW SO. Analyzed the data: JW SO JF. Wrote the paper: JF SO JW.