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Contributors All the co-authors have read and agreed on the content of the letter to the editor.
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 AH has consulted and/or performed sponsored research for Philipps, Pacira, BBraun Medical, and Heron Therapeutics. He owns and manages NYSORA.com (education), MedXpress.Pro (IP), and VisionExpo (medical design).
Patient consent for publication Not required.
Provenance and peer review Not commissioned; internally peer reviewed.