About the Authors

Nicola J. Rooney


Affiliation Anthrozoology Institute, University of Bristol, Bristol, United Kingdom

Steve Morant

Affiliation Medicines Monitoring Unit, University of Dundee, Dundee, United Kingdom

Claire Guest

Affiliation Medical Detection Dogs, Greenway Business Park, Milton Keynes, United Kingdom

Competing Interests

The authors can confirm that although the work was funded by a commercial source, The Company of Animals, this does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: NJR CG. Performed the experiments: NJR. Analyzed the data: NJR SM. Wrote the paper: NJR SM.