Correction: Effect of Bifidobacterium longum subsp. infantis YLGB-1496 on common diseases in pediatrics: a randomized, blinded, placebo-controlled trial - Xi Zhang; Ke Chen; Hanglian Lan; Haixia Chen; Hua Chen; Ping Yang; Nianyang He; Weilian Hung; Zaozhong Zeng; Changqi Liu (Frontiers in Nutrition)