Letter to the editor regarding “Global mapping of institutional and hospital-based (level II–IV) arthroplasty registries: a scoping review”. Eur J Orthop Surg Traumatol. 2024 Feb; 34(2):1219–1251. doi: 10.1007/s00590-023–03691-y. Epub 2023 Sep 28. PMID: 37768398; PMCID: PMC10858160