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The name of the first author was given incorrectly. The correct name is: Jacob Keller.
The correct citation is: Keller J, Homma K, Dallos P (2013) Pixels as ROIs (PAR): A Less-Biased and Statistically Powerful Approach for Gleaning Functional Information from Image Stacks. PLoS ONE 8(7): e69047. doi:10.1371/journal.pone.0069047.
Competing Interests: No competing interests declared.
