Carry PM, Kim S, Zwick NL, Buckner T, DeFelice B, Johnson RK, Seifert J, Waugh K, Dong F, Vanderlinden LA, Frohnert BI, Kechris K, Fiehn O, Rewers M, Norris JM. Increased Levels of the Vitamin D Metabolite Ratio Are Protective Against Progression From Islet Autoimmunity to T1D. J Clin Endocrinol Metab. 2026 Apr 22; 111(5):1438-1449.