Received: 30 November 2017
Accepted: 20 December 2017
First Online: 23 January 2018
Ethics approval and consent to participate
: Ethics approval was granted by Murdoch University Human Research Ethics Committee (Project No 2016/118).
: Not applicable.
: Bruce Walker is Editor-in-Chief and Charlotte Leboeuf-Yde is Senior Editorial Adviser of the journalChiropractic & Manual Therapies. Neither played any part in the assignment of this manuscript to Associate Editors or peer reviewers and are separated and blinded from the editorial system from submission inception to decision.
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