The University of Newcastle, Newcastle, NSW, Australia.
Address correspondence and reprint requests to Nikolai Bogduk, MD, PhD, DSc, Newcastle Bone and Joint Institute, Newcastle, NSW 2300 Australia; E-mail: firstname.lastname@example.org
Received 27 January, 2017
Revised 29 January, 2017
Accepted 29 January, 2017
The manuscript submitted does not contain information about medical device(s)/drug(s).
No funds were received in support of this work.
No relevant financial activities outside the submitted work.