Erratum to “ILC2 Proliferated by IL-33 Stimulation Alleviates Acute Colitis in Rag1-/- Mouse through Promoting M2 Macrophage Polarization” - Yong You; Xiaoqing Zhang; Xiao Wang; Dan Yue; Fanxiang Meng; Junfeng Zhu; Yuanyuan Wang; Xun Sun (Journal of Immunology Research)