This article [J. Biomed. Opt. 15, 057010 (2010)] was originally published online on 15 September 2010 with an error in Figure caption 2(b), which read, “Cells were exposed at cytoplasm first and then at nucleus [cell 2 in (c)].”
The caption should read, “Cells were exposed at nucleus first and then at cytoplasm [cell 2 in (c)].”
All versions of the article were corrected on 16 September 2010. The article appears correctly in print.