In the July issue the legend for the cover figure was incorrect. The correct legend for the July cover figure appears below. We regret the error.

Cover: Representative karyotypes of NSCLC cell lines (a) Colo-699 and (b) A427. Numbers adjacent to a derivative chromosome indicate the origin of the translocated or inserted material. “OL” in (b) indicates a color change caused by overlapping chromosomes. See article by Speicher et al.