This article has been corrected: The correct Grant information is given below:
ACKNOWLEDGMENTS
This work was supported by the Czech Science Foundation, Grant No. 18-09502S. The authors thank to Dr. Klára Čépe, Dr. Václav Ranc and Zuzana Chaloupková from the Regional Centre of Advanced Technologies and Materials (Olomouc, Czech Republic) for the TEM, DLS and ξ-potential analysis.
Original article: Oncotarget. 2018; 9:28456-28473. https://doi.org/10.18632/oncotarget.25466