Schelfaut, Sebastiaan
Dermott, Jennifer A.
Zeller, Reinhard
Article History
Received: 12 February 2017
Revised: 5 February 2018
Accepted: 13 March 2018
First Online: 23 March 2018
Compliance with ethical standards
:
: Dr. Zeller receives royalties from Spinevision (excluding personal use) and is an unpaid consultant for Paradigm Spine. None of the authors has received any grant or financial support for the present study.