AUTHOR=Gong Peng-Ju , Shao You-Cheng , Huang Si-Rui , Zeng Yi-Fan , Yuan Xiao-Ning , Xu Jing-Jing , Yin Wei-Nan , Wei Lei , Zhang Jing-Wei TITLE=Corrigendum: Hypoxia-Associated Prognostic Markers and Competing Endogenous RNA Co-Expression Networks in Breast Cancer JOURNAL=Frontiers in Oncology VOLUME=10 YEAR=2021 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2020.637481 DOI=10.3389/fonc.2020.637481 ISSN=2234-943X