About the Authors

Gregory S. Berns

gberns@emory.edu

Affiliation Center for Neuropolicy, Emory University, Atlanta, Georgia, United States of America

Andrew Brooks

Affiliation Center for Neuropolicy, Emory University, Atlanta, Georgia, United States of America

Mark Spivak

Affiliation Comprehensive Pet Therapy, Sandy Springs, Georgia, United States of America

Competing Interests

Mark Spivak is the president of Comprehensive Pet Therapy (CPT). Gregory Berns and Mark Spivak are founding members of Dog Star Technologies, LLC. Neither CPT nor Dog Star Technologies had any role in the funding, design, analysis or interpretation of these studies. 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: GB AB MS. Performed the experiments: GB AB MS. Analyzed the data: GB AB. Wrote the paper: GB AB MS.