Footnotes

• Contributors RVWE, AOS, PC, ECYH, and LB all contributed to the planning, conduct, and reporting of the work described in the article.

• 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 RVWE and AOS reports personal fees from Heron Therapeutics, outside the submitted work.

• Provenance and peer review Not commissioned; internally peer reviewed.