AUTHOR=Du Jiang , Liang Yuan , Li Ji , Zhao Jin-Ming , Lin Xu-Yong TITLE=Corrigendum: Gastric Cancer Cell-Derived Exosomal MicroRNA-23a Promotes Angiogenesis by Targeting PTEN JOURNAL=Frontiers in Oncology VOLUME=11 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.797657 DOI=10.3389/fonc.2021.797657 ISSN=2234-943X