Corrigendum: How Early-Life Gut Microbiota Alteration Sets Trajectories for Health and Inflammatory Bowel Disease? - Guo, Feilong; Cai, Demin; Li, Yanwei; Gu, Haotian; Qu, Huan; Zong, Qiufang; Bao, Wenbin; Chen, Aoxue; Liu, Hao-Yu (Frontiers in Nutrition, 2021)