Article History
Received: 10 October 2018
Accepted: 29 October 2018
First Online: 8 November 2018
Compliance with ethical standards
:
: C. Bouthors and A. Benzakour declare that they have no conflict of interest. Ch. Court has received financial supports from Medtronic® and Safe Orthopedics® for educational programs and has investment interest in NeuroFrance® and SpineGuard®.