Correction to: Hydrogel-load exosomes derived from dendritic cells improve cardiac function via Treg cells and the polarization of macrophages following myocardial infarction.

The affiliation of the first author " B Youming Zhang b " and the authors "Yunli Shen, Qizheng Lu", should be B Affiliation 2 "Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200092, People's Republic of China." b And the affiliation of the author " B Zichun Cai b " should be B Affiliation 3 "Department of Cardiology, Shanghai East Hospital of Clinical Medical College, Nanjing Medical University, Nanjing 211166, People's Republic of China." Youming Zhang, Zichun Cai and Yunli Shen contributed equally to this paper Correction to: J Nanobiotechnol 19:271 (2021) https://doi.org/10.1186/s12951-021-01016-x Following publication of the original article [[1]], the authors identified some mistakes about the affiliations of the authors. [Extracted from the article]