AUTHOR=Liu Haixiong , Xu Wenjin , Feng Jiying , Ma Hong , Zhang Jianbin , Xie Xiaohu , Zhuang Dingding , Shen Wenwen , Liu Huifen , Zhou Wenhua TITLE=Corrigendum: Increased Expression of Plasma miRNA-320a and let-7b-5p in Heroin-Dependent Patients and Its Clinical Significance JOURNAL=Frontiers in Psychiatry VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2021.733293 DOI=10.3389/fpsyt.2021.733293 ISSN=1664-0640