Correction: Cell, Isoform, and Environment Factors Shape Gradients and Modulate Chemotaxis.

[This corrects the article DOI: 10.1371/journal.pone.0123450.].

Kathryn E. Luker should be included in the author byline. She should be listed as the third author and her affiliation is: Department of Radiology, University of Michigan Medical School, Ann Arbor, Michigan.

The correct citation is: Chang SL, Cavnar SP, Luker KE, Takayama S, Luker GD, Linderman JJ (2015) Cell, Isoform, and Environment Factors Shape Gradients and Modulate Chemotaxis. PLoS ONE 10(4): e0123450. doi:10.1371/journal.pone.0123450

In the Author Contributions section, Kathryn E. Luker (KEL) should be listed as one of the persons who conceived and designed the experiments and who analyzed the data.