Diabetes Care. 2023 Aug 14:dc230417. doi: 10.2337/dc23-0417. Online ahead of print. ABSTRACT OBJECTIVE: To study the interaction among HLA genotype, early probiotic exposure, and timing of complementary foods in relation to risk of islet autoimmunity (IA). RESEARCH DESIGN AND METHODS: The TEDDY study prospectively follows 8,676 children with increased genetic…