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Nucleic Acids Res. 2009; 37, 6754–6764. doi: 10.1093/nar/gkp748
The authors wish to apologize for an error in the ‘Funding’ section of both these articles. The corrected statement should read that the work was supported by Czech Science Foundation grant GACR 301/09/1917 and not grant number GACR 301/09/317 as stated in the published articles.
This correction does not influence the validity of the results and conclusions of these articles.