Sebastian Siller, Jonathan P. Funnell, Darren Lui, and Jason Bernard have contributed equally to this work.

Department of Trauma and Orthopaedics / Neurosurgery, St George’s University Hospitals NHS Foundation Trust, Blackshaw Road, Tooting, London, SW17 0QT, UK

Sebastian Siller, Jonathan P. Funnell, Tim Bishop, Darren Lui & Jason Bernard

SS—Writing—Original draft write up, Data curation, patient care—Neurosurgical Spine Surgeon; JF—Writing—Original draft write up, Data curation; SW—Data curation; AM—Data curation, patient care—Neurosurgical Spine Surgeon; TB—Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing–review & editing, Patient Care—Orthopaedic Spine Surgeon; DL—Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing–review & editing, Patient Care—Orthopaedic Spine Surgeon; JB—Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing–review & editing, Patient Care—Orthopaedic Spine Surgeon; all authors contributed to the article and approved the submitted version.

Correspondence to Sebastian Siller.