This article was republished on October 21, 2015, to correct the name of the thyroid hormone in the title; “L-3,5,4'-Triiodothyronine” was corrected to read “L-3,5,3'-Triiodothyronine.” Please download this article again to view the correct version. The originally published, uncorrected article and the republished, corrected article are provided here for reference.