SMN2 and spinal muscular atrophy, type 1: Gene therapy and alternative splicing have gained the most attention among Chinese researchers because of the increasing incidence of SMA in newborns in China.[34–36] Similarly, the 5 keywords with the most citations were 5q13, Werdnig Hoffmann disease (SMA type I),[37] deletions, SMN gene, and molecular analysis, suggesting the importance of SMA-related topics in the contemporary clinical field of neurodegenerative diseases.