About the Authors

Karen Hind

k.hind@leedsmet.ac.uk.

Affiliation Carnegie Research Institute, Leeds Metropolitan University, Leeds, West Yorkshire, United Kingdom

Fraser Birrell

Affiliation Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom

Belinda Beck

Affiliation School of Rehabilitation Sciences, Griffith University, Gold Coast, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: KH. Wrote the paper: KH BB FB.