After publication of the original article , the authors found that Fig. 2e (Hsp70-Ch-Lf-ZF in Jurkat cells, 2 h), Fig. 5b (control and HSP70-Lf-ZF) and Fig. 5c (control) contained incorrect images. This does not affect the figure legends, results and conclusions of the article.
The correct versions of Figs. 2 and 5 are included with this correction.
The address of the authors was revised and is given in this Correction.
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