Corrigendum: Investigating the effects of Liushen Capsules (LS) on the metabolome of seasonal influenza: A randomized clinical trial - Ma, Qinhai; Chen, Ruihan; Zeng, Jing; Lei, Biao; Ye, Feng; Wu, Qihua; Li, Zhengtu; Zhan, Yangqing; Liu, Bin; Chen, Bojun; Yang, Zifeng (Frontiers in Pharmacology, 2023)