Corrigendum: The alteration of left ventricular strain in later-onset spinal muscular atrophy children - Cui, Yiqin; Feng, Yijie; Xia, Yu; Fu, Xingpeng; Gong, Ming; Qian, Jingjing; Yu, Jin; Ye, Jingjing; Gao, Feng; Cheng, Hongqiang; Mao, Shanshan (Frontiers in Cellular Neuroscience, 2022)