Correction: Dextran sulfate prevents excess aggregation of human pluripotent stem cells in 3D culture by inhibiting ICAM1 expression coupled with down-regulating E-cadherin through activating the Wnt signaling pathway - Haibin Wu; Xianglian Tang; Yiyu Wang; Ning Wang; Qicong Chen; Jinghe Xie; Shoupei Liu; Zhiyong Zhong; Yaqi Qiu; Ping Situ; Mark A. Zern; Jue Wang; et al. (Stem Cell Research & Therapy)