Footnotes

• Twitter @sites_brian, @drchadb, @Kumar_ASRA, @sgmemtsoudis, @PerlasAnahi, @@ChrisWuMD

• Contributors This manuscript was signed off by the entire executive editorial board.

• 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 Brian Sites: Associate Editor Access Anesthesiology. De Tran: None declared. Christopher Wu: None declared. Stephen Cohen: Primary Investigator for NIH funded study on liposomal bupivacaine. Anahi Perlas: Research grant from Fisher & Paykel Healthcare. Chad Brummett: Consultant for Heron Therapeutics and Alosa Health. Yun Guan: Research grants from Medtronic, Inc and TissueTech, Inc. Spencer Liu: Investor in Concentric Analgesics. Asokumar Buvanendran: Consultant for Fresenius Kab. Xavier Capdevila: None declared. Stavros Memtsoudis: Consultant for Sandoz, Teikoku; Patent for Multi-catheter Infusion System; Ownership of SGM Consulting, LLC, FC Monmouth, LLC.

• Patient consent for publication Not required.

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