In the article “Retinoic Acid Receptor β Controls Development of Striatonigral Projection Neurons through FGF-Dependent and Meis1-Dependent Mechanisms” by Monika Rataj-Baniowska, Anna Niewiadomska-Cimicka, Marie Paschaki, Monika Szyszka-Niagolov, Laura Carramolino, Miguel Torres, Pascal Dollé, and Wojciech Krężel, which appeared on pages 14467–14475 of the October 28, 2015 issue, the authors regret an error in Figure 1, H and H′, which show the same section. The data were rechecked and the mistake was found to be only in the image shown in Figure 1H′. The correct Figure 1 is shown below.
