About the Authors

Chris Hayes, Meredith S. Jordan, Fiona J. Hodson, Linda Ritchard
Hunter Integrated Pain Service, Newcastle, New South Wales, Australia

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CH. Performed the experiments: FH LR CH. Analyzed the data: MJ. Contributed reagents/materials/analysis tools: MJ CH. Wrote the paper: CH FH MJ.