In the article “LRP4 Is Critical for Neuromuscular Junction Maintenance” by Arnab Barik, Yisheng Lu, Anupama Sathyamurthy, Andrew Bowman, Chengyong Shen, Lei Li, Wen-cheng Xiong, and Lin Mei, which appeared on pages 13892–13905 of the October 15, 2014 issue, the authors regret that the labels of the two curves were accidentally swapped in Figure 4G. This correction does not affect the interpretations or conclusions of the study. The corrected Figure 4 is shown below.
