Funding for this research was provided by:
SAUDI SPINE SOCIETY (10/2017 RC 01)
Received: 10 August 2020
Accepted: 18 November 2020
First Online: 30 November 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Research Ethics Committee of the Faculty of Medicine and Health Science at the University of Nottingham (Ethics Reference Number: OVS 18082016) and from King Fahad Medical City in Riyadh, Saudi Arabia (IRB: H-01-R-R-012). Additionally, all participants have signed participation consent before recruitment.
: Not applicable
: The authors declare that they have no competing interests.