Acknowledgement
The ORION project is funded by Osteopathy Australia. The funding source had no influence in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript. The research reported in this paper is the sole responsibility of the authors and reflects the independent ideas and scholarship of the authors alone.
The authors would also like to thank Professor Jon Adams, Dr Amie Steel and Dr Wenbo Peng from the Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney for their input into the initial stages of the analysis and data interpretation of the ORION dataset.