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Ledger A, Ceusters J, Valentin L, Testa A, Van Holsbeke C, Franchi D, Bourne T, Froyman W, Timmerman D, Van Calster B.Ledger A, et al. Among authors: timmerman d.BMC Med Res Methodol. 2023 Nov 24;23(1):276. doi: 10.1186/s12874-023-02103-3.BMC Med Res Methodol. 2023.PMID: 38001421Free PMC article.