This article [J. Biomed. Opt. 15, 066018 (2010)] was originally published online on 13 December 2010 with an error in the author affiliations. The author Sri-Rajasekhar Kothapalli completed the work for this paper while affiliated with Washington University in St. Louis, but is now currently affiliated with Stanford University, as shown here.
All versions of the article were corrected on 16 December 2010. The article appears correctly in print.