Article Text
Letter
Retreatments are part of the evaluation of device performance … but have to be analyzed separately
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Footnotes
Contributors All four authors drafted this letter and fully approved the submitted version.
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 LP and LS are consultants for Microvention.
Patient consent for publication Not required.
Provenance and peer review Not commissioned; internally peer reviewed.