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Smith KC, Losina E, Messier SP, Hunter DJ, Chen AT, Katz JN, Paltiel AD.Smith KC, et al. Among authors: katz jn.ACR Open Rheumatol. 2020 Jan;2(1):26-36. doi: 10.1002/acr2.11090. Epub 2019 Nov 19.ACR Open Rheumatol. 2020.PMID: 31943972Free PMC article.