About the Authors

Carole Fureix

carole.fureix@univ-rennes1.fr

Affiliation Université Rennes 1, UMR CNRS 6552, laboratoire Ethologie Animale et Humaine, Rennes, France

Hervé Menguy

Affiliation Chiropractic practice, St Jacques de la Lande, France

Martine Hausberger

Affiliation Université Rennes 1, UMR CNRS 6552, laboratoire Ethologie Animale et Humaine, Rennes, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CF MH. Performed the experiments: CF HM MH. Analyzed the data: CF MH. Wrote the paper: CF MH.