Author response to letter to the editor, "PINP-guided osteoporosis treatment selection: methodological considerations for cut-off, endpoint, fracture confounding and teriparatide heterogeneity". - Etani Y; Noguchi T; Yukishima T; Kobayakawa T; Kashii M; Okamura G; Goshima A; Hirao M; Miura T; Kurihara T; Fukuda Y; Sugimoto A; et al. (Bone, 2026)