Correction: In the article “Suprachiasmatic Regulation of Circadian Rhythms of Gene Expression in Hamster Peripheral Organs: Effects of Transplanting the Pacemaker” by Hongian Guo, Judy McKinley Brewer, Michael N. Lehman, and Eric L. Bittman, which appeared on pages 6406–6412 of the June 14, 2006 issue, the first author's first name should have been correctly spelled Hongnian.