In the article titled “Circulating Cancer Stem Cell-Derived Extracellular Vesicles as a Novel Biomarker for Clinical Outcome Evaluation” [1], the author Piero del Boccio was affiliated to Department of Medical, Oral and Biotechnological Sciences, University “G. D’Annunzio” of Chieti-Pescara, Analytical Biochemistry and Proteomics Laboratory, Chieti, Italy, which is incorrect. The corrected list of affiliations is shown above.