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Contributors The first and second authors were involved in the conception, drafting, critical revision and final approval of this paper.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests The first author serves on the advisory board of Alosa, served on the board of directors for the Association of Pain Program Directors and Axial Healthcare and has stock options in Axial Healthcare.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; internally peer reviewed.